{"version":"1.0","provider_name":"Educational Evidence","provider_url":"https:\/\/educationalevidence.com\/ca\/","author_name":"educational EVIDENCE","author_url":"https:\/\/educationalevidence.com\/ca\/author\/educational-evidence\/","title":"Terres rares al poder - Educational Evidence","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"kCUkFbQ2KL\"><a href=\"https:\/\/educationalevidence.com\/ca\/terres-rares-al-poder\/\">Terres rares al poder<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/educationalevidence.com\/ca\/terres-rares-al-poder\/embed\/#?secret=kCUkFbQ2KL\" width=\"600\" height=\"338\" title=\"&#8220;Terres rares al poder&#8221; &#8212; Educational Evidence\" data-secret=\"kCUkFbQ2KL\" 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\/\/# sourceURL=https:\/\/educationalevidence.com\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/educationalevidence.com\/wp-content\/uploads\/2025\/09\/tierras-raras.jpg","thumbnail_width":600,"thumbnail_height":451,"description":"Les guerres mai no s\u00f3n ni casuals ni gratu\u00eftes. El trio Trump, Putin i Zelensky a la guerra a Ucra\u00efna no \u00e9s un triangle amor\u00f3s, sin\u00f3 d'interessos; alguna ra\u00f3? Doncs la mineria de les terres rares. Des de fa unes d\u00e8cades les terres rares han esdevingut elements de gran inter\u00e8s econ\u00f2mic geopol\u00edtic. La seva hist\u00f2ria comen\u00e7a amb Johan Gadolin, que el 1794 va analitzar qu\u00edmicament un mineral de Ytterby i va descobrir-hi una nova \u201cterra\u201d desconeguda."}