1.0The Human Sparkhttps://www.pbs.org/wnet/humansparktanner veahttps://www.pbs.org/wnet/humanspark/author/tanner-vea/rich600338<blockquote class="wp-embedded-content" data-secret="Gox8PlKMtC"><a href="https://www.pbs.org/wnet/humanspark/uncategorized/program-one-becoming-us-description/21/">Program One: Becoming Us: Description</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.pbs.org/wnet/humanspark/uncategorized/program-one-becoming-us-description/21/embed/#?secret=Gox8PlKMtC" width="600" height="338" title="“Program One: Becoming Us: Description” — The Human Spark" data-secret="Gox8PlKMtC" 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://www.pbs.org/wnet/humanspark/wp-includes/js/wp-embed.min.js </script> photo © Larry Engel, 2008 Premieres January 6, 2010 at 8pm (check local listings) In the caves and rock shelters of the Dordogne region of France, Alan Alda witnesses the spectacular paintings and carvings that date back some 30,000 years, artwork that archeologists once thought to be the first record of people with minds like […]https://www.pbs.org/wnet/humanspark/files/2008/07/286_program2.jpg