1.0The Texas Observerhttps://www.texasobserver.orgJames E. McWilliamshttps://www.texasobserver.org/author/james-e-mcwilliams/rich600338<blockquote class="wp-embedded-content" data-secret="wT2dkUBilu"><a href="https://www.texasobserver.org/it-is-the-heat/">It Is the Heat</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.texasobserver.org/it-is-the-heat/embed/#?secret=wT2dkUBilu" width="600" height="338" title="“It Is the Heat” — The Texas Observer" data-secret="wT2dkUBilu" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(c,l){"use strict";var e=!1,o=!1;if(l.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},c.wp.receiveEmbedMessage);else if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(!t);else if(!(t.secret||t.message||t.value));else if(/[^a-zA-Z0-9]/.test(t.secret));else{for(var r,s,a,i=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=0;o<n.length;o++)n[o].style.display="none";for(o=0;o<i.length;o++)if(r=i[o],e.source!==r.contentWindow);else{if(r.removeAttribute("style"),"height"===t.message){if(1e3<(s=parseInt(t.value,10)))s=1e3;else if(~~s<200)s=200;r.height=s}if("link"===t.message)if(s=l.createElement("a"),a=l.createElement("a"),s.href=r.getAttribute("src"),a.href=t.value,a.host===s.host)if(l.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(o);else{o=!0;for(var e,t,r,s=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=l.querySelectorAll("iframe.wp-embedded-content"),n=0;n<i.length;n++){if(!(r=(t=i[n]).getAttribute("data-secret")))r=Math.random().toString(36).substr(2,10),t.src+="#?secret="+r,t.setAttribute("data-secret",r);if(s||a)(e=t.cloneNode(!0)).removeAttribute("security"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:"ready",secret:r},"*")}}}}(window,document); </script> About two million years ago our ape-ish ancestors experienced a number of rapid physical changes: rib cages shrank, pelvises narrowed, teeth became smaller, stomachs constricted, swinging ability declined and cranial cavities almost doubled. These alterations were by no means haphazard. They collectively drove an evolutionary shift from apelike Habilines to Homo erectus, the precursor to […]https://www.texasobserver.org/wp-content/uploads/2012/09/about-the-texas-observer.jpg740402