1.0Harvard Gazettehttps://news.harvard.edu/gazettegazettejohnbaglionehttps://news.harvard.edu/gazette/story/author/gazettejohnbaglione/A mother’s influence — Harvard Gazetterich600338<blockquote class="wp-embedded-content" data-secret="6TbnaD4e6r"><a href="https://news.harvard.edu/gazette/story/2017/02/a-mothers-influence/">A mother’s influence</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://news.harvard.edu/gazette/story/2017/02/a-mothers-influence/embed/#?secret=6TbnaD4e6r" width="600" height="338" title="“A mother’s influence” — Harvard Gazette" data-secret="6TbnaD4e6r" 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://news.harvard.edu/wp-includes/js/wp-embed.min.js
</script>
https://news.harvard.edu/gazette/wp-content/uploads/2016/12/chimp605.jpg605403Researchers have shown, for the first time, that chimpanzees learn certain grooming behaviors from their mothers. Once learned, chimps continued to perform the behavior long after the deaths of their mothers.