{"version":"1.0","provider_name":"Weslander","provider_url":"https:\/\/novanews.co.za\/weslander","title":"Why trees have thorns revealed","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"U0MUz6M2tq\"><a href=\"https:\/\/novanews.co.za\/weslander\/why-trees-have-thorns-revealed-20230823-2\/\">Why trees have thorns revealed<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/novanews.co.za\/weslander\/why-trees-have-thorns-revealed-20230823-2\/embed\/#?secret=U0MUz6M2tq\" width=\"600\" height=\"338\" title=\"&#8220;Why trees have thorns revealed&#8221; &#8212; Weslander\" data-secret=\"U0MUz6M2tq\" 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:\/\/novanews.co.za\/weslander\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/novanews.co.za\/weslander\/wp-content\/uploads\/2025\/03\/01256e08f98244c9aaa4ba2caa4191a9.jpg","thumbnail_width":222,"thumbnail_height":186,"description":"In a public talk at the West Coast Fossil Park on 22 July 2023, Prof William Bond engaged the audience on the question of why trees have thorns. Spoiler alert, the answers became ever thornier the further the investigation."}