- ID de l'analyse :
- 344e3a39-b056-4095-81c6-8d0e87eadb2dTerminée
- URL soumise :
- https://www.americanscientist.org/article/gausssdayofreckoningRedirigé
- Fin du rapport :
Liens : 10 trouvé(s)
Liens sortants identifiés à partir de la page
Lien | texte |
---|---|
http://www.jstor.org/journal/amerscie | Archive |
https://amsci.org/aswebsub | Subscribe |
https://twitter.com/AmSciMag | |
https://www.facebook.com/AmericanScientist/ | |
https://www.youtube.com/user/AmSciMagazine | YouTube |
https://www.linkedin.com/company/american-scientist | |
https://www.sigmaxi.org | |
https://amsci.org/aswebsub#Subscribe | Subscribe |
https://www.sigmaxi.org/about/donate | Donate |
https://www.sigmaxi.org/ | Sigma XI |
Variables JavaScript : 146 trouvée(s)
Les variables JavaScript globales chargées dans l'objet fenêtre d'une page sont des variables déclarées en dehors des fonctions et accessibles depuis n'importe quel endroit du code au sein du champ d'application actuel
Nom | Type |
---|---|
0 | object |
1 | object |
2 | object |
onbeforetoggle | object |
documentPictureInPicture | object |
onscrollend | object |
$ | undefined |
jQuery | function |
Drupal | object |
cb_list | string |
Messages de journal de console : 4 trouvé(s)
Messages consignés dans la console web
Type | Catégorie | Enregistrement |
---|---|---|
error | network |
|
log | other |
|
log | other |
|
warning | other |
|
HTML
Le corps HTML de la page en données brutes
<!DOCTYPE html><html lang="en" class="js wf-opensans-n4-active wf-opensans-n7-active wf-robotoslab-n4-active wf-robotoslab-n7-active wf-fjallaone-n4-active wf-indieflower-n4-active wf-active"><head>
<link rel="profile" href="http://www.w3.org/1999/xhtml/vocab">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="shortcut icon" href="https://www.americanscientist.org/sites/americanscientist.org/files/AmSci_Logo_for_Favicon_and_Social_Media.jpg" type="image/jpeg">
<meta name="generator" content="Drupal 7 (http://drupal.org)">
<link rel="canonical" href="https://www.americanscientist.org/">
<link rel="shortlink" href="https://www.americanscientist.org/">
<meta property="og:site_name" content="American Scientist">
<meta property="og:type" content="website">
<meta property="og:url" content="https://www.americanscientist.org/">
<meta property="og:title" content="American Scientist">
<meta name="facebook-domain-verification" content="91dlbp3ia3mzaj9jdtocuem7j75t38">
<title>| American Scientist</title>
<style type="text/css" media="all">
@import url("https://www.americanscientist.org/modules/system/system.base.css?scptg8");
@import url("https://www.americanscientist.org/modules/system/system.messages.css?scptg8");
@import url("https://www.americanscientist.org/modules/system/system.theme.css?scptg8");
</style>
<style type="text/css" media="all">
@import url("https://www.americanscientist.org/profiles/esuitetools/modules/contrib/simplenews/simplenews.css?scptg8");
@import url("https://www.americanscientist.org/modules/comment/comment.css?scptg8");
@import url("https://www.americanscientist.org/profiles/esuitetools/modules/contrib/date/date_api/date.css?scptg8");
@import url("https://www.americanscientist.org/profiles/esuitetools/modules/contrib/date/date_popup/themes/datepicker.1.7.css?scptg8");
@import url("https://www.americanscientist.org/modules/node/node.css?scptg8");
@import url("https://www.americanscientist.org/modules/search/search.css?scptg8");
@import url("https://www.americanscientist.org/modules/user/user.css?scptg8");
</style>
<style type="text/css" media="all">
@import url("https://www.americanscientist.org/profiles/esuitetools/modules/esuitetools/est_core/css/est_core.css?scptg8");
@import url("https://www.americanscientist.org/profiles/esuitetools/modules/esuitetools/est_page_maker/scripts/contentbuilder.css?scptg8");
@import url("https://www.americanscientist.org/profiles/esuitetools/modules/contrib/lightbox2/css/lightbox.css?scptg8");
@import url("https://www.americanscientist.org/profiles/esuitetools/modules/contrib/panels/css/panels.css?scptg8");
</style>
<style type="text/css" media="all">
@import url("https://www.americanscientist.org/sites/americanscientist.org/themes/amsci/css/selection-sharer.css?scptg8");
@import url("https://www.americanscientist.org/sites/americanscientist.org/themes/amsci/css/styles.css?scptg8");
</style>
<!-- HTML5 element support for IE6-8 -->
<!--[if lt IE 9]>
<script src="https://cdn.jsdelivr.net/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
<![endif]-->
<script type="text/javascript" async="" src="https://www.googletagmanager.com/gtag/js?id=G-2VD4E0HBHT&cx=c&_slc=1"></script><script src="https://connect.facebook.net/signals/config/1939281343089158?v=2.9.174&r=stable&domain=www.americanscientist.org&hme=ead923021ccd3483ef3b9b04703d0a78b943fbdc01e8d7cec21c5059f1f4a5e9&ex_m=70%2C121%2C107%2C111%2C61%2C4%2C100%2C69%2C16%2C97%2C89%2C51%2C54%2C172%2C175%2C187%2C183%2C184%2C186%2C29%2C101%2C53%2C77%2C185%2C167%2C170%2C180%2C181%2C188%2C131%2C41%2C189%2C190%2C34%2C143%2C15%2C50%2C194%2C193%2C133%2C18%2C40%2C1%2C43%2C65%2C66%2C67%2C71%2C93%2C17%2C14%2C96%2C92%2C91%2C108%2C52%2C110%2C39%2C109%2C30%2C94%2C26%2C168%2C171%2C140%2C86%2C56%2C84%2C33%2C73%2C0%2C95%2C32%2C28%2C82%2C83%2C88%2C47%2C46%2C87%2C37%2C11%2C12%2C13%2C6%2C7%2C25%2C22%2C23%2C57%2C62%2C64%2C75%2C102%2C27%2C76%2C9%2C8%2C80%2C48%2C21%2C104%2C103%2C105%2C98%2C10%2C20%2C3%2C38%2C74%2C19%2C5%2C90%2C81%2C44%2C35%2C85%2C2%2C36%2C63%2C42%2C106%2C45%2C79%2C68%2C112%2C60%2C59%2C31%2C99%2C58%2C55%2C49%2C78%2C72%2C24%2C113" async=""></script><script async="" src="https://connect.facebook.net/en_US/fbevents.js"></script><script type="text/javascript" async="" src="https://www.googletagmanager.com/gtag/destination?id=AW-11134399540&l=dataLayer&cx=c"></script><script type="text/javascript" async="" src="https://www.googletagmanager.com/gtag/destination?id=AW-10896293616&l=dataLayer&cx=c"></script><script type="text/javascript" async="" src="https://www.google-analytics.com/analytics.js"></script><script type="text/javascript" async="" src="https://engine.multiview.com/ados?t=1729902676364&request=%7B%22Placements%22%3A%5B%7B%22A%22%3A4466%2C%22S%22%3A70634%2C%22D%22%3A%22mvleaderboard%22%2C%22AT%22%3A3140%2C%22Z%22%3A%5B171544%5D%7D%2C%7B%22A%22%3A4466%2C%22S%22%3A70634%2C%22D%22%3A%22mvbanner%22%2C%22AT%22%3A3204%2C%22Z%22%3A%5B176035%5D%7D%2C%7B%22A%22%3A4466%2C%22S%22%3A70634%2C%22D%22%3A%22mvbox%22%2C%22AT%22%3A43%2C%22Z%22%3A%5B171545%5D%7D%5D%2C%22Keywords%22%3A%22undefined%22%2C%22Referrer%22%3A%22%22%2C%22IsAsync%22%3Atrue%7D"></script><script src="https://connect.facebook.net/en_US/sdk.js?hash=87d9f2c5f6c63ffe3c630cabaadda0d0" async="" crossorigin="anonymous"></script><script type="text/javascript" src="https://s.zkcdn.net/ados.js" async=""></script><script type="text/javascript" src="https://s.zkcdn.net/ados.js" async=""></script><script async="" src="https://www.googletagmanager.com/gtm.js?id=GTM-PC7JFVN"></script><script id="facebook-jssdk" src="//connect.facebook.net/en_US/sdk.js"></script><script type="text/javascript" defer="" async="" src="https://analytics.esuitetools.com/piwik.js"></script><script async="" src="//platform.twitter.com/widgets.js" charset="utf-8"></script>
<script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.js"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
window.jQuery || document.write("<script src='/profiles/esuitetools/modules/contrib/jquery_update/replace/jquery/2.1/jquery.js'>\x3C/script>")
//--><!]]>
</script>
<script type="text/javascript" src="https://www.americanscientist.org/misc/jquery.once.js?v=1.2"></script>
<script type="text/javascript" src="https://www.americanscientist.org/misc/drupal.js?scptg8"></script>
<script type="text/javascript" src="https://www.americanscientist.org/profiles/esuitetools/modules/esuitetools/est_page_maker/scripts/contentbuilder.js?scptg8"></script><script src="https://www.americanscientist.org/profiles/esuitetools/modules/esuitetools/est_page_maker/scripts/load-image.all.min.js"></script>
<script type="text/javascript" src="//ajax.googleapis.com/ajax/libs/jqueryui/1.10.2/jquery-ui.js?scptg8"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
jQuery(document).ready(function ($) {
$("p.expandable").animate({
display: 'none'
}).hide()
$(".toggle").click(function () {
if ($(this).data('name') == 'show') {
$(this).next(function () {
display: 'none'
}).hide();
$(this).data('name', 'hide')
} else {
$(this).next(function () {
display: 'block'
}).show();
$(this).data('name', 'show')
}
});
});
//--><!]]>
</script>
<script type="text/javascript" src="https://www.americanscientist.org/profiles/esuitetools/modules/contrib/lightbox2/js/lightbox.js?scptg8"></script>
<script type="text/javascript" src="https://www.americanscientist.org/sites/all/libraries/ScrollMagic/ScrollMagic.min.js?scptg8"></script>
<script type="text/javascript" src="https://www.americanscientist.org/sites/all/libraries/ScrollMagic/animation.gsap.min.js?scptg8"></script>
<script type="text/javascript" src="https://www.americanscientist.org/sites/all/libraries/ScrollMagic/jquery.ScrollMagic.min.js?scptg8"></script>
<script type="text/javascript" src="https://www.americanscientist.org/sites/all/libraries/waypoints/noframework.waypoints.min.js?scptg8"></script>
<script type="text/javascript" src="https://www.americanscientist.org/sites/all/libraries/waypoints/jquery.waypoints.min.js?scptg8"></script>
<script type="text/javascript" src="https://www.americanscientist.org/profiles/esuitetools/modules/contrib/piwik/piwik.js?scptg8"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
var _paq = _paq || [];(function(){var u=(("https:" == document.location.protocol) ? "https://analytics.esuitetools.com/" : "http://analytics.esuitetools.com/");_paq.push(["setSiteId", "12"]);_paq.push(["setTrackerUrl", u+"piwik.php"]);_paq.push(["setDocumentTitle", "404/URL = " + encodeURIComponent(document.location.pathname+document.location.search) + "/From = " + encodeURIComponent(document.referrer)]);_paq.push(["setCookieDomain", ".americanscientist.org"]);_paq.push(["trackPageView"]);_paq.push(["setIgnoreClasses", ["no-tracking","colorbox"]]);_paq.push(["enableLinkTracking"]);var d=document,g=d.createElement("script"),s=d.getElementsByTagName("script")[0];g.type="text/javascript";g.defer=true;g.async=true;g.src=u+"piwik.js";s.parentNode.insertBefore(g,s);})();
//--><!]]>
</script>
<script type="text/javascript" src="//storage.googleapis.com/vrview/2.0/build/vrview.min.js?scptg8"></script>
<script type="text/javascript" src="https://www.americanscientist.org/sites/americanscientist.org/themes/amsci/js/jquery.sidr.min.js?scptg8"></script>
<script type="text/javascript" src="https://www.americanscientist.org/sites/americanscientist.org/themes/amsci/js/main.js?scptg8"></script>
<script type="text/javascript" src="https://www.americanscientist.org/sites/americanscientist.org/themes/amsci/js/selection-sharer.js?scptg8"></script>
<script type="text/javascript" src="https://www.americanscientist.org/sites/americanscientist.org/themes/amsci/js/svg4everybody.min.js?scptg8"></script>
<script type="text/javascript" src="https://www.americanscientist.org/sites/americanscientist.org/themes/amsci/js/webfontloader.js?scptg8"></script><script src="https://ajax.googleapis.com/ajax/libs/webfont/1.6.16/webfont.js" async=""></script>
<script type="text/javascript" src="https://www.americanscientist.org/sites/americanscientist.org/themes/amsci/js/iao-alert.jquery.js?scptg8"></script>
<script type="text/javascript">
<!--//--><![CDATA[//><!--
jQuery.extend(Drupal.settings, {"basePath":"\/","pathPrefix":"","ajaxPageState":{"theme":"amsci","theme_token":"RPcJZLHLBigJSaRmYATPBEn8BfZJgcfO3VWz-5AjDEQ","js":{"\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/2.1.4\/jquery.js":1,"0":1,"misc\/jquery.once.js":1,"misc\/drupal.js":1,"profiles\/esuitetools\/modules\/esuitetools\/est_page_maker\/scripts\/contentbuilder.js":1,"\/\/ajax.googleapis.com\/ajax\/libs\/jqueryui\/1.10.2\/jquery-ui.js":1,"1":1,"profiles\/esuitetools\/modules\/contrib\/lightbox2\/js\/lightbox.js":1,"sites\/all\/libraries\/ScrollMagic\/ScrollMagic.min.js":1,"sites\/all\/libraries\/ScrollMagic\/animation.gsap.min.js":1,"sites\/all\/libraries\/ScrollMagic\/jquery.ScrollMagic.min.js":1,"sites\/all\/libraries\/waypoints\/noframework.waypoints.min.js":1,"sites\/all\/libraries\/waypoints\/jquery.waypoints.min.js":1,"profiles\/esuitetools\/modules\/contrib\/piwik\/piwik.js":1,"2":1,"\/\/storage.googleapis.com\/vrview\/2.0\/build\/vrview.min.js":1,"sites\/americanscientist.org\/themes\/amsci\/js\/jquery.sidr.min.js":1,"sites\/americanscientist.org\/themes\/amsci\/js\/main.js":1,"sites\/americanscientist.org\/themes\/amsci\/js\/selection-sharer.js":1,"sites\/americanscientist.org\/themes\/amsci\/js\/svg4everybody.min.js":1,"sites\/americanscientist.org\/themes\/amsci\/js\/webfontloader.js":1,"sites\/americanscientist.org\/themes\/amsci\/js\/iao-alert.jquery.js":1},"css":{"modules\/system\/system.base.css":1,"modules\/system\/system.messages.css":1,"modules\/system\/system.theme.css":1,"profiles\/esuitetools\/modules\/contrib\/simplenews\/simplenews.css":1,"modules\/comment\/comment.css":1,"profiles\/esuitetools\/modules\/contrib\/date\/date_api\/date.css":1,"profiles\/esuitetools\/modules\/contrib\/date\/date_popup\/themes\/datepicker.1.7.css":1,"modules\/node\/node.css":1,"modules\/search\/search.css":1,"modules\/user\/user.css":1,"profiles\/esuitetools\/modules\/esuitetools\/est_core\/css\/est_core.css":1,"profiles\/esuitetools\/modules\/esuitetools\/est_page_maker\/scripts\/contentbuilder.css":1,"profiles\/esuitetools\/modules\/contrib\/lightbox2\/css\/lightbox.css":1,"profiles\/esuitetools\/modules\/contrib\/panels\/css\/panels.css":1,"sites\/americanscientist.org\/themes\/amsci\/css\/selection-sharer.css":1,"sites\/americanscientist.org\/themes\/amsci\/css\/styles.css":1}},"lightbox2":{"rtl":0,"file_path":"\/(\\w\\w\/)public:\/","default_image":"\/profiles\/esuitetools\/modules\/contrib\/lightbox2\/images\/brokenimage.jpg","border_size":10,"font_color":"000","box_color":"fff","top_position":"","overlay_opacity":"0.8","overlay_color":"000","disable_close_click":true,"resize_sequence":0,"resize_speed":400,"fade_in_speed":400,"slide_down_speed":600,"use_alt_layout":false,"disable_resize":false,"disable_zoom":false,"force_show_nav":false,"show_caption":true,"loop_items":false,"node_link_text":"View Image Details","node_link_target":false,"image_count":"Image !current of !total","video_count":"Video !current of !total","page_count":"Page !current of !total","lite_press_x_close":"press \u003Ca href=\u0022#\u0022 onclick=\u0022hideLightbox(); return FALSE;\u0022\u003E\u003Ckbd\u003Ex\u003C\/kbd\u003E\u003C\/a\u003E to close","download_link_text":"","enable_login":false,"enable_contact":false,"keys_close":"c x 27","keys_previous":"p 37","keys_next":"n 39","keys_zoom":"z","keys_play_pause":"32","display_image_size":"original","image_node_sizes":"()","trigger_lightbox_classes":"","trigger_lightbox_group_classes":"","trigger_slideshow_classes":"","trigger_lightframe_classes":"","trigger_lightframe_group_classes":"","custom_class_handler":0,"custom_trigger_classes":"","disable_for_gallery_lists":true,"disable_for_acidfree_gallery_lists":true,"enable_acidfree_videos":true,"slideshow_interval":5000,"slideshow_automatic_start":true,"slideshow_automatic_exit":true,"show_play_pause":true,"pause_on_next_click":false,"pause_on_previous_click":true,"loop_slides":false,"iframe_width":600,"iframe_height":400,"iframe_border":1,"enable_video":false,"useragent":"Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/119.0.0.0 Safari\/537.36"},"piwik":{"trackMailto":1}});
//--><!]]>
</script>
<script>
window.fbAsyncInit = function() {
FB.init({
appId : '112014672653664',
xfbml : true,
version : 'v2.9'
});
FB.AppEvents.logPageView();
};
(function(d, s, id){
var js, fjs = d.getElementsByTagName(s)[0];
if (d.getElementById(id)) {return;}
js = d.createElement(s); js.id = id;
js.src = "//connect.facebook.net/en_US/sdk.js";
fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));
</script>
<!-- Google Tag Manager -->
<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-PC7JFVN');</script>
<!-- End Google Tag Manager --><link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:400,700%7CRoboto+Slab:400,700%7CFjalla+One%7CIndie+Flower" media="all">
<style type="text/css" data-fbcssmodules="css:fb.css.base css:fb.css.dialog css:fb.css.iframewidget css:fb.css.customer_chat_plugin_iframe">.fb_hidden{position:absolute;top:-10000px;z-index:10001}.fb_reposition{overflow:hidden;position:relative}.fb_invisible{display:none}.fb_reset{background:none;border:0px;border-spacing:0;color:#000;cursor:auto;direction:ltr;font-family:'lucida grande', tahoma, verdana, arial, sans-serif;font-size:11px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:1;margin:0;overflow:visible;padding:0;text-align:left;text-decoration:none;text-indent:0;text-shadow:none;text-transform:none;visibility:visible;white-space:normal;word-spacing:normal}.fb_reset>div{overflow:hidden}@keyframes fb_transform{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.fb_animate{animation:fb_transform .3s forwards}
.fb_hidden{position:absolute;top:-10000px;z-index:10001}.fb_reposition{overflow:hidden;position:relative}.fb_invisible{display:none}.fb_reset{background:none;border:0px;border-spacing:0;color:#000;cursor:auto;direction:ltr;font-family:'lucida grande', tahoma, verdana, arial, sans-serif;font-size:11px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:1;margin:0;overflow:visible;padding:0;text-align:left;text-decoration:none;text-indent:0;text-shadow:none;text-transform:none;visibility:visible;white-space:normal;word-spacing:normal}.fb_reset>div{overflow:hidden}@keyframes fb_transform{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.fb_animate{animation:fb_transform .3s forwards}
.fb_dialog{background:rgba(82, 82, 82, .7);position:absolute;top:-10000px;z-index:10001}.fb_dialog_advanced{border-radius:8px;padding:10px}.fb_dialog_content{background:#fff;color:#373737}.fb_dialog_close_icon{background:url(https://connect.facebook.net/rsrc.php/v3/yq/r/IE9JII6Z1Ys.png) no-repeat scroll 0 0 transparent;cursor:pointer;display:block;height:15px;position:absolute;right:18px;top:17px;width:15px}.fb_dialog_mobile .fb_dialog_close_icon{left:5px;right:auto;top:5px}.fb_dialog_padding{background-color:transparent;position:absolute;width:1px;z-index:-1}.fb_dialog_close_icon:hover{background:url(https://connect.facebook.net/rsrc.php/v3/yq/r/IE9JII6Z1Ys.png) no-repeat scroll 0 -15px transparent}.fb_dialog_close_icon:active{background:url(https://connect.facebook.net/rsrc.php/v3/yq/r/IE9JII6Z1Ys.png) no-repeat scroll 0 -30px transparent}.fb_dialog_iframe{line-height:0}.fb_dialog_content .dialog_title{background:#6d84b4;border:1px solid #365899;color:#fff;font-size:14px;font-weight:bold;margin:0}.fb_dialog_content .dialog_title>span{background:url(https://connect.facebook.net/rsrc.php/v3/yd/r/Cou7n-nqK52.gif) no-repeat 5px 50%;float:left;padding:5px 0 7px 26px}body.fb_hidden{height:100%;left:0px;margin:0px;overflow:visible;position:absolute;top:-10000px;transform:none;width:100%}.fb_dialog.fb_dialog_mobile.loading{background:url(https://connect.facebook.net/rsrc.php/v3/ya/r/3rhSv5V8j3o.gif) white no-repeat 50% 50%;min-height:100%;min-width:100%;overflow:hidden;position:absolute;top:0;z-index:10001}.fb_dialog.fb_dialog_mobile.loading.centered{background:none;height:auto;min-height:initial;min-width:initial;width:auto}.fb_dialog.fb_dialog_mobile.loading.centered #fb_dialog_loader_spinner{width:100%}.fb_dialog.fb_dialog_mobile.loading.centered .fb_dialog_content{background:none}.loading.centered #fb_dialog_loader_close{clear:both;color:#fff;display:block;font-size:18px;padding-top:20px}#fb-root #fb_dialog_ipad_overlay{background:rgba(0, 0, 0, .4);bottom:0;left:0;min-height:100%;position:absolute;right:0;top:0;width:100%;z-index:10000}#fb-root #fb_dialog_ipad_overlay.hidden{display:none}.fb_dialog.fb_dialog_mobile.loading iframe{visibility:hidden}.fb_dialog_mobile .fb_dialog_iframe{position:sticky;top:0}.fb_dialog_content .dialog_header{background:linear-gradient(from(#738aba), to(#2c4987));border-bottom:1px solid;border-color:#043b87;box-shadow:white 0px 1px 1px -1px inset;color:#fff;font:bold 14px Helvetica, sans-serif;text-overflow:ellipsis;text-shadow:rgba(0, 30, 84, .296875) 0px -1px 0px;vertical-align:middle;white-space:nowrap}.fb_dialog_content .dialog_header table{height:43px;width:100%}.fb_dialog_content .dialog_header td.header_left{font-size:12px;padding-left:5px;vertical-align:middle;width:60px}.fb_dialog_content .dialog_header td.header_right{font-size:12px;padding-right:5px;vertical-align:middle;width:60px}.fb_dialog_content .touchable_button{background:linear-gradient(from(#4267B2), to(#2a4887));background-clip:padding-box;border:1px solid #29487d;border-radius:3px;display:inline-block;line-height:18px;margin-top:3px;max-width:85px;padding:4px 12px;position:relative}.fb_dialog_content .dialog_header .touchable_button input{background:none;border:none;color:#fff;font:bold 12px Helvetica, sans-serif;margin:2px -12px;padding:2px 6px 3px 6px;text-shadow:rgba(0, 30, 84, .296875) 0px -1px 0px}.fb_dialog_content .dialog_header .header_center{color:#fff;font-size:16px;font-weight:bold;line-height:18px;text-align:center;vertical-align:middle}.fb_dialog_content .dialog_content{background:url(https://connect.facebook.net/rsrc.php/v3/y9/r/jKEcVPZFk-2.gif) no-repeat 50% 50%;border:1px solid #4a4a4a;border-bottom:0;border-top:0;height:150px}.fb_dialog_content .dialog_footer{background:#f5f6f7;border:1px solid #4a4a4a;border-top-color:#ccc;height:40px}#fb_dialog_loader_close{float:left}.fb_dialog.fb_dialog_mobile .fb_dialog_close_icon{visibility:hidden}#fb_dialog_loader_spinner{animation:rotateSpinner 1.2s linear infinite;background-color:transparent;background-image:url(https://connect.facebook.net/rsrc.php/v3/yD/r/t-wz8gw1xG1.png);background-position:50% 50%;background-repeat:no-repeat;height:24px;width:24px}@keyframes rotateSpinner{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}
.fb_iframe_widget{display:inline-block;position:relative}.fb_iframe_widget span{display:inline-block;position:relative;text-align:justify}.fb_iframe_widget iframe{position:absolute}.fb_iframe_widget_fluid_desktop,.fb_iframe_widget_fluid_desktop span,.fb_iframe_widget_fluid_desktop iframe{max-width:100%}.fb_iframe_widget_fluid_desktop iframe{min-width:220px;position:relative}.fb_iframe_widget_lift{z-index:1}.fb_iframe_widget_fluid{display:inline}.fb_iframe_widget_fluid span{width:100%}
.fb_mpn_mobile_landing_page_slide_out{animation-duration:200ms;animation-name:fb_mpn_landing_page_slide_out;transition-timing-function:ease-in}.fb_mpn_mobile_landing_page_slide_out_from_left{animation-duration:200ms;animation-name:fb_mpn_landing_page_slide_out_from_left;transition-timing-function:ease-in}.fb_mpn_mobile_landing_page_slide_up{animation-duration:500ms;animation-name:fb_mpn_landing_page_slide_up;transition-timing-function:ease-in}.fb_mpn_mobile_bounce_in{animation-duration:300ms;animation-name:fb_mpn_bounce_in;transition-timing-function:ease-in}.fb_mpn_mobile_bounce_out{animation-duration:300ms;animation-name:fb_mpn_bounce_out;transition-timing-function:ease-in}.fb_mpn_mobile_bounce_out_v2{animation-duration:300ms;animation-name:fb_mpn_fade_out;transition-timing-function:ease-in}.fb_customer_chat_bounce_in_v2{animation-duration:300ms;animation-name:fb_bounce_in_v2;transition-timing-function:ease-in}.fb_customer_chat_bounce_in_from_left{animation-duration:300ms;animation-name:fb_bounce_in_from_left;transition-timing-function:ease-in}.fb_customer_chat_bounce_out_v2{animation-duration:300ms;animation-name:fb_bounce_out_v2;transition-timing-function:ease-in}.fb_customer_chat_bounce_out_from_left{animation-duration:300ms;animation-name:fb_bounce_out_from_left;transition-timing-function:ease-in}.fb_invisible_flow{display:inherit;height:0;overflow-x:hidden;width:0}@keyframes fb_mpn_landing_page_slide_out{0%{margin:0 12px;width:100% - 24px}60%{border-radius:18px}100%{border-radius:50%;margin:0 24px;width:60px}}@keyframes fb_mpn_landing_page_slide_out_from_left{0%{left:12px;width:100% - 24px}60%{border-radius:18px}100%{border-radius:50%;left:12px;width:60px}}@keyframes fb_mpn_landing_page_slide_up{0%{bottom:0;opacity:0}100%{bottom:24px;opacity:1}}@keyframes fb_mpn_bounce_in{0%{opacity:.5;top:100%}100%{opacity:1;top:0}}@keyframes fb_mpn_fade_out{0%{bottom:30px;opacity:1}100%{bottom:0px;opacity:0}}@keyframes fb_mpn_bounce_out{0%{opacity:1;top:0}100%{opacity:.5;top:100%}}@keyframes fb_bounce_in_v2{0%{opacity:0;transform:scale(0, 0);transform-origin:bottom right}50%{transform:scale(1.03, 1.03);transform-origin:bottom right}100%{opacity:1;transform:scale(1, 1);transform-origin:bottom right}}@keyframes fb_bounce_in_from_left{0%{opacity:0;transform:scale(0, 0);transform-origin:bottom left}50%{transform:scale(1.03, 1.03);transform-origin:bottom left}100%{opacity:1;transform:scale(1, 1);transform-origin:bottom left}}@keyframes fb_bounce_out_v2{0%{opacity:1;transform:scale(1, 1);transform-origin:bottom right}100%{opacity:0;transform:scale(0, 0);transform-origin:bottom right}}@keyframes fb_bounce_out_from_left{0%{opacity:1;transform:scale(1, 1);transform-origin:bottom left}100%{opacity:0;transform:scale(0, 0);transform-origin:bottom left}}@keyframes slideInFromBottom{0%{opacity:.1;transform:translateY(100%)}100%{opacity:1;transform:translateY(0)}}@keyframes slideInFromBottomDelay{0%{opacity:0;transform:translateY(100%)}97%{opacity:0;transform:translateY(100%)}100%{opacity:1;transform:translateY(0)}}</style></head>
<body class="html not-front not-logged-in no-sidebars page-c404 lightbox-processed isloaded">
<!-- Google Tag Manager (noscript) -->
<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-PC7JFVN"
height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
<!-- End Google Tag Manager (noscript) -->
<div id="skip-link">
<a href="#main-content" class="element-invisible element-focusable">Skip to main content</a>
</div>
<!-- Insert Header -->
<div id="sidr" class="banner__nav-wrapper sidr left" style="transition: left 0.2s ease 0s;">
<nav class="navigation" role="navigation">
<a href="#" class="bmenu--close" onclick="jQuery.sidr('close', 'sidr');">
<div class="nav--close">
<div class="nav--header"> Close </div>
</div>
</a>
<!-- start region.tpl.php template -->
<!-- start block.tpl.php template -->
<ul class="navigation__top"><li class="first"><a href="/search/node">Search</a></li>
<li class="last"><a href="javascript: void(0);" class="cus__helpsidr">Help</a></li>
</ul><!-- end block.tpl.php template -->
<!-- start block.tpl.php template -->
<ul class="navigation__main"><li class="first navigation--item"><a href="/topics-names/all">Topics</a></li>
<li class="navigation--item"><a href="/topics-names/all?field_media_tid=338">Features</a></li>
<li class="navigation--item"><a href="/blogs/all">Blogs</a></li>
<li class="navigation--item"><a href="/topics-names/all?field_media_tid=103">Video</a></li>
<li class="last navigation--item"><a href="/topics-names/all?field_media_tid=102">Podcasts</a></li>
</ul><!-- end block.tpl.php template -->
<!-- start block.tpl.php template -->
<ul class="navigation__utility"><li class="first navigation--item"><a href="/magazine/issues/all">Magazine</a></li>
<li class=""><a href="http://www.jstor.org/journal/amerscie" target="_blank">Archive</a></li>
<li class="navigation--item"><a href="https://amsci.org/aswebsub" target="_blank">Subscribe</a></li>
<li class="navigation--item"><a href="/user?destination=article/gausssdayofreckoning">Newsletter</a></li>
<li class="navigation--item"><a href="/content/about-us">About Us</a></li>
<li class="last navigation--item"><a href="/content/advertise">Advertise</a></li>
</ul><!-- end block.tpl.php template -->
<!-- start block.tpl.php template -->
<div class="item-list"><ul class="navigation__member"><li class="navigation--item first"><a href="/user/login?destination=article/gausssdayofreckoning">Login</a></li>
<li class="navigation--item last"><a href="/user/register?destination=article/gausssdayofreckoning">Register</a></li>
</ul></div><!-- end block.tpl.php template -->
<!-- start block.tpl.php template -->
<ul class="navigation__socialmedia"><li class="first socialmedia--Twitter"><a href="https://twitter.com/AmSciMag" target="_blank">Twitter</a></li>
<li class="socialmedia--Facebook"><a href="https://www.facebook.com/AmericanScientist/" target="_blank">Facebook</a></li>
<li class="socialmedia--Youtube"><a href="https://www.youtube.com/user/AmSciMagazine" target="_blank">YouTube</a></li>
<li class="last socialmedia--LinkedIn"><a href="https://www.linkedin.com/company/american-scientist" target="_blank">LinkedIn</a></li>
</ul><!-- end block.tpl.php template -->
<!-- end region.tpl.php template -->
<a href="https://www.sigmaxi.org" target="_blank"><img class="sigma-logo--sm" src="/sites/americanscientist.org/themes/amsci/img/sigma-xi-logo-sm.png" alt="Sigma XI"></a>
</nav>
</div>
<header role="banner" class="banner nav-down">
<a href="/"><h1 class="banner__site-name"><span>American Scientist</span></h1></a>
<ul class="bmenu__list">
<li class="bmenu__item bmenu--open"><a id="simple-menu" href="#sidr" class="bmenu--open">Open navigation
</a></li>
<li class="bmenu__item bmenu--search"><a href="/search/node" class="bmenu--search">Search
</a></li>
</ul>
<ul class="bmenu__list bmenu--onright">
<li class="bmenu__item bmenu--help">
<a href="javascript:void(0)" class="bmenu--help">Help</a></li>
<li class="bmenu__item bmenu--login">
<a href="/user/login" class="bmenu--login">Login</a> </li>
</ul>
</header>
<div role="document" class="page-wrapper">
<main role="main">
<!-- start region.tpl.php template -->
<!-- start block.tpl.php template -->
<div class="article-wrapper">
<section class="article-main">
<h4 class="header-four">Our apologies: The page you're looking for either cannot be found or has moved.</h4>
<p class="simple-paragraph selectionShareable">Please:
<br></p><ul><li>
Check the web address spelling;
</li><br><li>
Browse our <a href="/topics-names/all">Topics</a> or archive of <a href="/magazine/issues/all">Magazine</a> and <a href="/blogs/all">Blog</a> articles;
</li><br><li>
<a href="/search/node">Search</a> the site;
</li><br><li>
Go to our <a href="/">homepage</a>.
</li></ul>
<p class="selectionShareable"></p>
<img src="/sites/americanscientist.org/files/404_doorway.jpg">
</section>
</div>
<!-- end block.tpl.php template -->
<!-- end region.tpl.php template -->
</main>
</div>
<div id="helpModal" class="helpmod">
<div class="help-content">
<span class="close">×</span>
<!-- start region.tpl.php template -->
<!-- start block.tpl.php template -->
<div class="region-help-modal--inner">
<h2>AMSCI ICON NAVIGATION:</h2>
<ul class="help__list">
<li class="help__item bmenu--open">Navigation Menu
</li>
<li class="help__item bmenu--search">Search
</li>
<li class="help__item bmenu--help">Help
</li>
<li class="help__item bmenu--login">Log In, Register
</li>
<li class="help__item bmenu--myamsci">My AmSci
</li>
<li class="help__item bmenu--menuicon"><span class="button__wrapper">Select Options <span class="smaller-text"> (not present on all pages)
</span></span>
</li>
</ul>
<p class="help-text selectionShareable"><strong>Click "American Scientist" to access home page</strong></p>
</div><!-- end block.tpl.php template -->
<!-- end region.tpl.php template -->
</div>
</div>
<footer class="footer clearfix" role="contentinfo">
<!-- start region.tpl.php template -->
<!-- start block.tpl.php template -->
<ul class="navigation__socialmedia"><li class="first socialmedia--Twitter"><a href="https://twitter.com/AmSciMag" target="_blank">Twitter</a></li>
<li class="socialmedia--Facebook"><a href="https://www.facebook.com/AmericanScientist/" target="_blank">Facebook</a></li>
<li class="socialmedia--Youtube"><a href="https://www.youtube.com/user/AmSciMagazine" target="_blank">YouTube</a></li>
<li class="last socialmedia--LinkedIn"><a href="https://www.linkedin.com/company/american-scientist" target="_blank">LinkedIn</a></li>
</ul><!-- end block.tpl.php template -->
<!-- end region.tpl.php template -->
<!-- start region.tpl.php template -->
<!-- start block.tpl.php template -->
<ul class="navigation__main"><li class="first navigation--item"><a href="/topics-names/all">Topics</a></li>
<li class="navigation--item"><a href="/topics-names/all?field_media_tid=338">Features</a></li>
<li class="navigation--item"><a href="/blogs/all">Blogs</a></li>
<li class="navigation--item"><a href="/topics-names/all?field_media_tid=103">Video</a></li>
<li class="last navigation--item"><a href="/topics-names/all?field_media_tid=102">Podcasts</a></li>
</ul><!-- end block.tpl.php template -->
<!-- end region.tpl.php template -->
<!-- start region.tpl.php template -->
<!-- start block.tpl.php template -->
<ul class="navigation__utility"><li class="first navigation--item"><a href="/magazine/issues/all">Magazine</a></li>
<li class=""><a href="http://www.jstor.org/journal/amerscie" target="_blank">Archive</a></li>
<li class="navigation--item"><a href="https://amsci.org/aswebsub" target="_blank">Subscribe</a></li>
<li class="navigation--item"><a href="/user?destination=article/gausssdayofreckoning">Newsletter</a></li>
<li class="navigation--item"><a href="/content/about-us">About Us</a></li>
<li class="last navigation--item"><a href="/content/advertise">Advertise</a></li>
</ul><!-- end block.tpl.php template -->
<!-- end region.tpl.php template -->
<!-- start region.tpl.php template -->
<!-- start block.tpl.php template -->
<ul class="navigation__member">
<li class="navigation--item"><a href="/user/login">Login</a></li>
<li class="navigation--item"><a href="/user/register">Register</a></li>
<li class="navigation--item"><a href="/search/node">Search</a></li>
<li class="navigation--item"><a class="cus__help" href="javascript:void(0)">Help</a></li></ul>
<!-- end block.tpl.php template -->
<!-- end region.tpl.php template -->
<!-- start region.tpl.php template -->
<!-- start block.tpl.php template -->
<div class="view view-footer-issue-block view-id-footer_issue_block view-display-id-block view-dom-id-33a4030336e968c55bab0c01fb4bb7f1">
<div class="view-content">
<div>
<div class="media media__subscribe">
<div class="image-wrapper current-issue">
<a href="/magazine/issues/2024/november-december"><img src="https://www.americanscientist.org/sites/americanscientist.org/files/styles/footer_thumbnail/public/2024-112-6-cover.jpg?itok=FjpC3eu8" alt="November-December - 2024 - Volume: 112 - Number: 6"></a>
</div>
<div class="media__content">
<p class="media__copy selectionShareable">This tiny fruiting body of a slime mold has an...</p>
<ul class="media__list"><li class="media__item first"><a href="https://amsci.org/aswebsub#Subscribe" class="media__button" target="_blank" rel="nofollow">Subscribe</a></li><li class="media__item"><a href="https://amsci.org/aswebsub" class="media__button issue-gift-button" target="_blank" rel="nofollow">Give a Gift</a></li><li class="media__item"><a href="https://www.sigmaxi.org/about/donate" class="media__button" target="_blank" rel="nofollow">Donate</a></li></ul>
</div></div> </div>
</div>
</div><!-- end block.tpl.php template -->
<!-- end region.tpl.php template -->
<!-- start region.tpl.php template -->
<!-- start block.tpl.php template -->
<div class="footer__utility clearfix">
<h2 class="footer__society-name">A Publication of <br>
<a href="https://www.sigmaxi.org/" target="_blank"><span>Sigma XI</span></a></h2>
<p class="copyright selectionShareable">© 2024 Sigma Xi, The Scientific Research Honor Society</p>
</div><!-- end block.tpl.php template -->
<!-- end region.tpl.php template -->
</footer>
<!-- The Modal -->
<div id="myModal" class="modal">
<span class="close">×</span>
<img class="modal-content" id="img01">
<div id="caption"></div>
</div>
<script type="text/javascript">
var protocol = document.location.protocol == "https:" ? "https" : "http";
var z = document.createElement("script");
z.type = "text/javascript";
z.src = protocol + "://s.zkcdn.net/ados.js";
z.async = true;
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(z,s);
</script>
<!--multiview-->
<style type="text/css">
#mvleaderboard img {
max-width:100% !important;
height: auto !important;
}
</style>
<script type="text/javascript">
var protocol = document.location.protocol == "https:" ? "https" : "http";
var z = document.createElement("script");
z.type = "text/javascript";
z.src = protocol + "://s.zkcdn.net/ados.js";
z.async = true;
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(z,s);
</script>
<script type="text/javascript">
//leader ad
var ados = ados || {};
ados.run = ados.run || [];
ados.run.push(function() {
/* load placement for account: Multiview, site: SIGMAXIweb - Sigma Xi, The Scientific Research Society - MultiWeb, size: 1700x1176 - 1700 x 1176, zone: SIGMAXIweb - Leaderboard (1700x1176) */
ados_add_placement(4466, 70634, "mvleaderboard", 3140).setZone(171544);
ados_add_placement(4466, 70634, "mvbanner", 3204).setZone(176035);
ados_add_placement(4466, 70634, "mvbox", 43).setZone(171545);
ados_setDomain('engine.multiview.com');
ados_load();
});
</script>
<!--multiview-->
<script>
jQuery(document).ready(function() {
jQuery('#simple-menu').sidr();
jQuery('body').addClass('isloaded');
var modal = document.getElementById('myModal');
//console.log(img);
var modalImg = document.getElementById("img01");
var captionText = document.getElementById("caption");
jQuery('.myImg').on('click', function (){
modal.style.display = "block";
modalImg.src = this.src;
captionText.innerHTML = this.alt;
});
// Get the <span> element that closes the modal
var els = document.getElementsByClassName("close");
// When the user clicks on <span> (x), close the modal
Array.prototype.forEach.call(els, function(el) {
// Do stuff here
console.log(el.tagName);
el.onclick = function() {
modal.style.display = "none";
}
});
//span.onclick = function() {
// modal.style.display = "none";
//}
jQuery('.article__socialmedia .navigation__socialmedia .socialmedia--ArticleFacebook a, .blog__socialmedia .navigation__socialmedia .socialmedia--ArticleFacebook a').on('click', function (){
txt = jQuery('p.dek-title').text();
var purl = window.location.href;
FB.ui({
method: 'share',
mobile_iframe: true,
quote: txt,
href: purl,
}, function(response){});
});
jQuery('.article__quote .navigation__socialmedia .socialmedia--ArticleFacebook a, .blog__quote .navigation__socialmedia .socialmedia--ArticleFacebook a').on('click', function (){
var txt = jQuery(this).parents('blockquote').find('p').text();
var purl = window.location.href;
FB.ui({
method: 'share',
mobile_iframe: true,
quote: txt,
href: purl,
}, function(response){});
});
//twitter
jQuery('.blog__quote .navigation__socialmedia .socialmedia--ArticleTwitter a').on('click', function (){
var txt = jQuery(this).parents('blockquote').find('p').text();
var ptxt = txt.substr(0, 140);
var tweetUrl = 'https://twitter.com/share?text=' +
encodeURIComponent(ptxt) +
'...' +
'&url=' +
window.location.href;
PopupCenter(tweetUrl,'tweetit', '500', '350');
});
jQuery('.article__quote .navigation__socialmedia .socialmedia--ArticleTwitter a').on('click', function (){
var txt = jQuery(this).parents('blockquote').find('p').text();
var ptxt = txt.substr(0, 140);
var tweetUrl = 'https://twitter.com/share?text=' +
encodeURIComponent(ptxt) +
'...' +
'&url=' +
window.location.href;
PopupCenter(tweetUrl,'atweetit', '500', '350');
});
});
function PopupCenter(url, title, w, h) {
// Fixes dual-screen position Most browsers Firefox
var dualScreenLeft = window.screenLeft != undefined ? window.screenLeft : screen.left;
var dualScreenTop = window.screenTop != undefined ? window.screenTop : screen.top;
var width = window.innerWidth ? window.innerWidth : document.documentElement.clientWidth ? document.documentElement.clientWidth : screen.width;
var height = window.innerHeight ? window.innerHeight : document.documentElement.clientHeight ? document.documentElement.clientHeight : screen.height;
var left = ((width / 2) - (w / 2)) + dualScreenLeft;
var top = ((height / 2) - (h / 2)) + dualScreenTop;
var newWindow = window.open(url, title, 'scrollbars=yes, width=' + w + ', height=' + h + ', top=' + top + ', left=' + left);
// Puts focus on the newWindow
if (window.focus) {
newWindow.focus();
}
}
function toggle_visibility(id) {
var e = document.getElementById(id);
if(e.style.display == 'block')
e.style.display = 'none';
else
e.style.display = 'block';
}
jQuery('p').selectionSharer();
// Get the modal
var modal = document.getElementById('helpModal');
// Get the button that opens the modal
jQuery('.cus__help, .bmenu--help').on('click', function (){
modal.style.display = "block";
});
jQuery('.cus__helpsidr').on('click', function (){
modal.style.display = "block";
jQuery('.nav--close').click();
});
// When the user clicks on <span> (x), close the modal
jQuery('span.close').on('click', function (){
modal.style.display = "none";
});
// When the user clicks anywhere outside of the modal, close it
window.onclick = function(event) {
if (event.target == modal) {
modal.style.display = "none";
}
}
</script><div class="selectionSharer" id="selectionSharerPopover" style="position:absolute;"> <div id="selectionSharerPopover-inner"> <ul> <li><a class="action tweet" href="" title="Share this selection on Twitter" target="_blank">Tweet</a></li> <li><a class="action facebook" href="" title="Share this selection on Facebook" target="_blank">Facebook</a></li> <li><a class="action email" href="" title="Share this selection by email" target="_blank"><svg width="20" height="20"><path stroke="%23FFF" stroke-width="6" d="m16,25h82v60H16zl37,37q4,3 8,0l37-37M16,85l30-30m22,0 30,30"></path></svg></a></li> </ul> </div> <div class="selectionSharerPopover-clip"><span class="selectionSharerPopover-arrow"></span></div></div><div id="selectionSharerPopunder" class="selectionSharer"> <div id="selectionSharerPopunder-inner"> <label>Share this selection</label> <ul> <li><a class="action tweet" href="" title="Share this selection on Twitter" target="_blank">Tweet</a></li> <li><a class="action facebook" href="" title="Share this selection on Facebook" target="_blank">Facebook</a></li> <li><a class="action email" href="" title="Share this selection by email" target="_blank"><svg width="20" height="20"><path stroke="%23FFF" stroke-width="6" d="m16,25h82v60H16zl37,37q4,3 8,0l37-37M16,85l30-30m22,0 30,30"></path></svg></a></li> </ul> </div></div>
<script type="text/javascript">//_satellite.pageBottom();</script>
<div id="lightbox2-overlay" style="display: none;"></div> <div id="lightbox" style="display: none;" class="lightbox2-orig-layout"> <div id="outerImageContainer" style="background-color: rgb(255, 255, 255); color: rgb(0, 0, 0);"><div id="modalContainer" style="display: none; padding: 10px;"></div><div id="frameContainer" style="display: none; padding: 10px;"></div><div id="imageContainer" style="display: none; padding: 10px;"><img id="lightboxImage" alt=""><div id="hoverNav"><a id="prevLink" title="Previous" href="#" style="padding-top: 10px;"></a><a id="nextLink" title="Next" href="#" style="padding-top: 10px;"></a></div></div><div id="loading"><a href="#" id="loadingLink"></a></div></div> <div id="imageDataContainer" class="clearfix" style="background-color: rgb(255, 255, 255); color: rgb(0, 0, 0);"> <div id="imageData"><div id="imageDetails"><span id="caption"></span><span id="numberDisplay"></span></div><div id="bottomNav"><div id="frameHoverNav"><a id="framePrevLink" title="Previous" href="#" style="padding-top: 10px;"></a><a id="frameNextLink" title="Next" href="#" style="padding-top: 10px;"></a></div><a id="bottomNavClose" title="Close" href="#" style="background-color: rgb(255, 255, 255); color: rgb(0, 0, 0);"></a><a id="bottomNavZoom" href="#"></a><a id="bottomNavZoomOut" href="#"></a><a id="lightshowPause" title="Pause Slideshow" href="#" style="display: none;"></a><a id="lightshowPlay" title="Play Slideshow" href="#" style="display: none;"></a></div></div> </div> </div><iframe scrolling="no" frameborder="0" allowtransparency="true" src="https://platform.twitter.com/widgets/widget_iframe.2f70fb173b9000da126c79afe2098f02.html?origin=https%3A%2F%2Fwww.americanscientist.org" title="Twitter settings iframe" style="display: none;"></iframe>
<script type="text/javascript" id="" charset="">!function(b,e,f,g,a,c,d){b.fbq||(a=b.fbq=function(){a.callMethod?a.callMethod.apply(a,arguments):a.queue.push(arguments)},b._fbq||(b._fbq=a),a.push=a,a.loaded=!0,a.version="2.0",a.queue=[],c=e.createElement(f),c.async=!0,c.src=g,d=e.getElementsByTagName(f)[0],d.parentNode.insertBefore(c,d))}(window,document,"script","https://connect.facebook.net/en_US/fbevents.js");fbq("init","1939281343089158");fbq("track","PageView");</script>
<noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=1939281343089158&ev=PageView&noscript=1"></noscript>
<iframe height="0" width="0" style="display: none; visibility: hidden;"></iframe><meta name="facebook-domain-verification" content="2152j89fjp1zziiiry03b2tz3x8wju"><div id="fb-root" class=" fb_reset"><div style="position: absolute; top: -10000px; width: 0px; height: 0px;"><div></div></div></div><iframe id="rufous-sandbox" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen="true" style="position: absolute; visibility: hidden; display: none; width: 0px; height: 0px; padding: 0px; border: none;" title="Twitter analytics iframe"></iframe></body></html>