{"version":"1.0","provider_name":"Harvard Gazette","provider_url":"https:\/\/news.harvard.edu\/gazette","author_name":"harvardgazette","author_url":"https:\/\/news.harvard.edu\/gazette\/story\/author\/harvardgazette\/","title":"When timing is everything &#8212; Harvard Gazette","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"4lxsFWqh3i\"><a href=\"https:\/\/news.harvard.edu\/gazette\/story\/2013\/03\/when-timing-is-everything\/\">When timing is everything<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/news.harvard.edu\/gazette\/story\/2013\/03\/when-timing-is-everything\/embed\/#?secret=4lxsFWqh3i\" width=\"600\" height=\"338\" title=\"&#8220;When timing is everything&#8221; &#8212; Harvard Gazette\" data-secret=\"4lxsFWqh3i\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/news.harvard.edu\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/news.harvard.edu\/gazette\/wp-content\/uploads\/2013\/03\/031313_marx_christopher_119_605.jpg","thumbnail_width":605,"thumbnail_height":403,"description":"In a new paper, Christopher Marx, associate professor of organismic and evolutionary biology, says that beneficial mutations may occur more often than first thought, but many never emerge as \u201cwinners\u201d because they don\u2019t fall within the narrow set of circumstances required for them to dominate a population."}