{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-572d6a42.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-f4d0de30.css\" media=\"all\" /\u003e\n\u003cdiv data-title='‘The Great Dying’ Was Our Worst Extinction Ever, And It Could Happen Again' data-url='/boclips/videos/5cdefa56d7515d1ba708d29d' data-video-url='/boclips/videos/5cdefa56d7515d1ba708d29d' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\n‘The Great Dying’ Was Our Worst Extinction Ever, And It Could Happen Again\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30359356\" href=\"/search?publisher_ids%5B%5D=30359356\"\u003eSeeker\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003eWhat exactly caused the greatest extinction on earth? New research may finally hold the answer to this long time mystery. Why Don’t Humans Have a Penis Bone? - Read More: Increased UV from ozone depletion sterilizes trees “Pine trees...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eWhat exactly caused the greatest extinction on earth? New research may finally hold the answer to this long time mystery. Why Don’t Humans Have a Penis \u003ca href='https://youtu.be/WPCdXAIA3Mc' target='_blank' rel='nofollow'\u003eBone? -\u003c/a\u003e Read More: Increased UV from ozone depletion sterilizes \u003ca href='http://news.berkeley.edu/2018/02/07/increased-uv-from-ozone-depletion-sterilizes-trees/' target='_blank' rel='nofollow'\u003etrees\u003c/a\u003e “Pine trees become temporarily sterile when exposed to ultraviolet radiation as intense as some scientists believe the Earth experienced 252 million years ago during the planet’s largest mass extinction, lending support to the theory that ozone depletion contributed to the crisis.” Thinning Ozone Layer May Have Driven Earth's Largest Mass Extinction 252 Million Years \u003ca href='https://phys.org/news/2018-02-thinning-ozone-layer-driven-earth.html#jCp' target='_blank' rel='nofollow'\u003eAgo\u003c/a\u003e “Pine trees become temporarily sterile when exposed to ultraviolet radiation as intense as some scientists believe the Earth experienced 252 million years ago during the planet's largest mass extinction, lending support to the theory that ozone depletion contributed to the crisis.” How Carbon-14 Dating \u003ca href='https://science.howstuffworks.com/environmental/earth/geology/carbon-141.htm' target='_blank' rel='nofollow'\u003eWorks\u003c/a\u003e “Carbon-14 dating is a way of determining the age of certain archeological artifacts of a biological origin up to about 50,000 years old. It is used in dating things such as bone, cloth, wood and plant fibers that were created in the relatively recent past by human activities.” ____________________ Seeker inspires us to see the world through the lens of science and evokes a sense of curiosity, optimism and adventure. Visit the Seeker \u003ca href='https://www.seeker.com/videos' target='_blank' rel='nofollow'\u003ewebsite\u003c/a\u003e Subscribe \u003ca href='http://www.youtube.com/subscription_center?add_user=dnewschannel' target='_blank' rel='nofollow'\u003enow!\u003c/a\u003e Seeker on \u003ca href='http://twitter.com/seeker' target='_blank' rel='nofollow'\u003eTwitter\u003c/a\u003e Trace Dominguez on \u003ca href='https://twitter.com/tracedominguez' target='_blank' rel='nofollow'\u003eTwitter\u003c/a\u003e Seeker on \u003ca href='https://www.facebook.com/SeekerMedia/' target='_blank' rel='nofollow'\u003eFacebook\u003c/a\u003e \u003ca href='http://www.seeker.com/' target='_blank' rel='nofollow'\u003eSeeker\u003c/a\u003e This episode of Seeker was hosted by Trace Dominguez. 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