{"version":"1.0","provider_name":"The Human Spark","provider_url":"https:\/\/www.pbs.org\/wnet\/humanspark","author_name":"eva glaser","author_url":"https:\/\/www.pbs.org\/wnet\/humanspark\/author\/eva-glaser\/","title":"Digging for the Truth: Lesson Overview | The Human Spark | PBS","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"0zfanoLoU9\"><a href=\"https:\/\/www.pbs.org\/wnet\/humanspark\/for-educators\/digging-for-the-truth-lesson-overview\/451\/\">Digging for the Truth: Lesson Overview<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.pbs.org\/wnet\/humanspark\/for-educators\/digging-for-the-truth-lesson-overview\/451\/embed\/#?secret=0zfanoLoU9\" width=\"600\" height=\"338\" title=\"&#8220;Digging for the Truth: Lesson Overview&#8221; &#8212; The Human Spark\" data-secret=\"0zfanoLoU9\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!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);\n\/\/# sourceURL=https:\/\/www.pbs.org\/wnet\/humanspark\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","description":"For a Printer-Friendly version of this lesson, click here: (PDF) (RTF) Grade Level: 9-12 Time Allotment: two to three 45-minute class periods OVERVIEW: In this lesson, students will use selected segments from the PBS series The Human Spark, to learn how archeologists discover and examine physical evidence and use it to formulate theories explaining how [&hellip;]"}