1.0El·lipsehttps://ellipse.prbb.org/ca/Inés Fuenteshttps://ellipse.prbb.org/ca/author/ines/rich600338<blockquote class="wp-embedded-content" data-secret="qdxtKxILxw"><a href="https://ellipse.prbb.org/ca/perseguint-papallones-un-viatge-transcontinental/">Perseguint papallones: un viatge transcontinental</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://ellipse.prbb.org/ca/perseguint-papallones-un-viatge-transcontinental/embed/#?secret=qdxtKxILxw" width="600" height="338" title="“Perseguint papallones: un viatge transcontinental” — El·lipse" data-secret="qdxtKxILxw" 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://ellipse.prbb.org/wp-includes/js/wp-embed.min.js </script> https://ellipse.prbb.org/wp-content/uploads/2023/09/Roger_Vila_IBE.jpg20001125Parlem amb en Roger Vila, investigador de l'IBE que ha coliderat una recerca que ha permès descriure la ruta migratòria de la papallona Vanessa cardui, la ruta més llarga coneguda en insectes fins avui dia.