{"version":"1.0","provider_name":"Josh Mitteldorf","provider_url":"https:\/\/scienceblog.com\/joshmitteldorf","author_name":"Josh Mitteldorf","author_url":"https:\/\/scienceblog.com\/joshmitteldorf\/author\/joshmitteldorf\/","title":"The Declining Force of Natural Selection","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"q1jM2EHaQ5\"><a href=\"https:\/\/scienceblog.com\/joshmitteldorf\/2013\/02\/03\/the-declining-force-of-natural-selection\/\">The Declining Force of Natural Selection<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/scienceblog.com\/joshmitteldorf\/2013\/02\/03\/the-declining-force-of-natural-selection\/embed\/#?secret=q1jM2EHaQ5\" width=\"600\" height=\"338\" title=\"&#8220;The Declining Force of Natural Selection&#8221; &#8212; Josh Mitteldorf\" data-secret=\"q1jM2EHaQ5\" 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:\/\/scienceblog.com\/joshmitteldorf\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"The \u201cdeclining force of natural selection\u201d is the foundation of two classical theories of aging. The phrase means that what happens when an individual is young contributes more to its fitness than what happens later in life. A new study seeks to test whether aging tends to evolve in the direction predicted by this theory, ... Read more"}