1.0Eco123https://eco123.info/en/Webmasterhttps://eco123.info/en/author/admin/rich600338<blockquote class="wp-embedded-content" data-secret="kDUHWGMQDh"><a href="https://eco123.info/en/mediatec/sharks-are-essential-to-humanity/">Sharks are essential to humanity</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://eco123.info/en/mediatec/sharks-are-essential-to-humanity/embed/#?secret=kDUHWGMQDh" width="600" height="338" title="“Sharks are essential to humanity” — Eco123" data-secret="kDUHWGMQDh" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://eco123.info/wp-includes/js/wp-embed.min.js </script> https://eco123.info/wp-content/uploads/n11.jpg1200798When we think about endangered animals, species come to mind such as the Iberian lynx or tuna, much less so sharks. For several generations, you just need to think of sharks to make an instinctive link to Steven Spielberg’s film – and from there it’s only a small step to attacks on humans. But the …