1.0The Human Sparkhttps://www.pbs.org/wnet/humansparktanner veahttps://www.pbs.org/wnet/humanspark/author/tanner-vea/Spark Blog: Twitter Trivia | The Human Spark | PBSrich600338<blockquote class="wp-embedded-content" data-secret="kunrj7Bzt2"><a href="https://www.pbs.org/wnet/humanspark/featured/spark-blog-twitter-trivia/260/">Spark Blog: Twitter Trivia</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.pbs.org/wnet/humanspark/featured/spark-blog-twitter-trivia/260/embed/#?secret=kunrj7Bzt2" width="600" height="338" title="“Spark Blog: Twitter Trivia” — The Human Spark" data-secret="kunrj7Bzt2" 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);
//# sourceURL=https://www.pbs.org/wnet/humanspark/wp-includes/js/wp-embed.min.js
/* ]]> */
</script>
Alan Alda in The Human Spark Think you know what it means to be human? Can you think creatively, make tools, communicate with the use of language and make moral judgments? Can you use Google and Twitter? If so, wrangle with these trivia questions to receive free science DVDs. When was Charles Darwin born? When were […]https://www.pbs.org/wnet/humanspark/files/2009/08/286_blog25_alan.jpg