{"version":"1.0","provider_name":"Made by Mary","provider_url":"https:\/\/madebymary.se\/en","author_name":"Mary","author_url":"https:\/\/madebymary.se\/en\/author\/mary\/","title":"J\u00e4rn \u2013 den livsviktiga metallen - Made by Mary","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"J27B7tsXiH\"><a href=\"https:\/\/madebymary.se\/en\/jarn-den-livsviktiga-metallen\/\">J\u00e4rn \u2013 den livsviktiga metallen<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/madebymary.se\/en\/jarn-den-livsviktiga-metallen\/embed\/#?secret=J27B7tsXiH\" width=\"600\" height=\"338\" title=\"&#8220;J\u00e4rn \u2013 den livsviktiga metallen&#8221; &#8212; Made by Mary\" data-secret=\"J27B7tsXiH\" 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:\/\/madebymary.se\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>","thumbnail_url":"https:\/\/madebymary.se\/wp-content\/uploads\/2025\/08\/jarn.webp","thumbnail_width":900,"thumbnail_height":600,"description":"J\u00e4rn \u00e4r ett av de mest avg\u00f6rande grund\u00e4mnena b\u00e5de f\u00f6r m\u00e4nniskokroppens funktion och f\u00f6r civilisationens utveckling. Med kemisk symbol Fe och atomnummer 26 \u00e4r j\u00e4rn inte bara den fj\u00e4rde vanligaste metallen i jordskorpan utan \u00e4ven helt central f\u00f6r blodets syretransport"}