Fish can do math, researchers say

Left side is a row of flat round fish with tails and right looks like a goldfish.

Fish can do math, researchers say

Researchers at the University of Bonn announced on April 1, 2022, that they've taught fish to do math. Thei...

Copy and paste this URL into your WordPress site to embed

<blockquote class="wp-embedded-content" data-secret="heApONesKp"><a href="https://earthsky.org/earth/fish-can-do-math-cichlids-stingrays/">Fish can do math, researchers say</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://earthsky.org/earth/fish-can-do-math-cichlids-stingrays/embed/#?secret=heApONesKp" width="600" height="400" title="&#8220;Fish can do math, researchers say&#8221; &#8212; EarthSky" data-secret="heApONesKp" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
/* <![CDATA[ */
/*! 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);
/* ]]> */
</script>

Copy and paste this code into your site to embed