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Nova - Life's Rocky Start

Life's Rocky Start
Four and a half billion years ago, the young Earth was a hellish place?a seething chaos of meteorite impacts, volcanoes belching noxious gases, and lightning flashing through a thin, torrid atmosphere. Then, in a process that has puzzled scientists for decades, life emerged. But how? NOVA joins...
//player.pbs.org/partnerplayer/bto5LoPoftVwLDcd9Ht0dw==/?topbar=false&end=0&endscreen=true&start=0&autoplay=false Four and a half billion years ago, the young Earth was a hellish place?a seething chaos of meteorite impacts, volcanoes belching noxious gases, and lightning flashing through a thin, torrid atmosphere. Then, in a process that has puzzled scientists for decades, life emerged. But how? NOVA joins... /episodes/get/37604 /episode/37604 Nova: Life's Rocky Start /episode-player/37604