{"version":"1.0","provider_name":"OCEAN4FUTURE","provider_url":"https:\/\/www.ocean4future.org\/savetheocean","author_name":"Andrea Mucedola","author_url":"https:\/\/www.ocean4future.org\/savetheocean\/archives\/author\/andrea-mucedola","title":"Dal Cambriano all'Ordoviciano: viaggio nei proto-mari - Parte V &#8226; OCEAN4FUTURE autore","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"AfxSVdY8o6\"><a href=\"https:\/\/www.ocean4future.org\/savetheocean\/archives\/12630\">Dal Cambriano all&#8217;Ordoviciano:  viaggio nei proto-mari &#8211; Parte V<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.ocean4future.org\/savetheocean\/archives\/12630\/embed#?secret=AfxSVdY8o6\" width=\"600\" height=\"338\" title=\"&#8220;Dal Cambriano all&#8217;Ordoviciano:  viaggio nei proto-mari &#8211; Parte V&#8221; &#8212; OCEAN4FUTURE\" data-secret=\"AfxSVdY8o6\" 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:\/\/www.ocean4future.org\/savetheocean\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.ocean4future.org\/savetheocean\/wp-content\/uploads\/2017\/03\/ordoviciano-Ogygiocarella-.jpg","thumbnail_width":1154,"thumbnail_height":774,"description":"Come ricorderete dal precedente articolo eravamo arrivati alla fine del Cambriano quando, circa 510 milioni di anni fa, eruzioni vulcaniche influenzarono in modo determinante il clima locale provocando forse la prima estinzione di massa nella storia del pianeta. L\u2019estinzione del Cambriano, sradic\u00f2 il 96 per cento delle specie marine ed il 70 per cento di\u2026"}