{"version":"1.0","provider_name":"Librer\u00eda Gisbert","provider_url":"https:\/\/libreriagisbert.com\/ebooks","author_name":"libreria-gisbert-v2a","author_url":"https:\/\/libreriagisbert.com\/ebooks\/author\/libreria-gisbert-v2a\/","title":"50 cosas que hay que saber sobre matem\u00e1ticas - Librer\u00eda Gisbert","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"8xFUhcCTmx\"><a href=\"https:\/\/libreriagisbert.com\/ebooks\/libro\/50-cosas-que-hay-que-saber-sobre-matematicas\/\">50 cosas que hay que saber sobre matem\u00e1ticas<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/libreriagisbert.com\/ebooks\/libro\/50-cosas-que-hay-que-saber-sobre-matematicas\/embed\/#?secret=8xFUhcCTmx\" width=\"600\" height=\"338\" title=\"\u00ab50 cosas que hay que saber sobre matem\u00e1ticas\u00bb \u2014 Librer\u00eda Gisbert\" data-secret=\"8xFUhcCTmx\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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\/* ]]> *\/\n<\/script>\n","description":"\u00bfQui\u00e9n invent\u00f3 el n\u00famero cero? \u00bfPor qu\u00e9 hay 60 segundos en un minuto? \u00bfC\u00f3mo es de grande el infinito? \u00bfD\u00f3nde se cruzan las l\u00edneas paralelas? \u00bfEs cierto que el aleteo de una mariposa puede causar una tormenta en la otra punta del mundo? 50 cosas que hay que saber sobre matem\u00e1ticas desgrana uno a uno [&hellip;]"}