Humans nearly vanished due to a major explosion from the Toba Volcano.  On this episode, Dr. Donald Prothero discusses when humans nearly vanished.

Humans nearly vanished due to a major explosion from the Toba Volcano. On this episode, Dr. Donald Prothero discusses when humans nearly vanished.

Toba Catastrophe -— Groks Science Show 2018-10–24

Weekly science radio program hosted by Dr. Charles Lee and Dr. Frank Ling.  Each show features interviews with scientists and technical innovators, humorous commentary on recent discoveries, plus the Grokotron 5000 and the World Famous Question of the Week!  Tune in every week and rediscover the world as you think you know it.

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Weekly science radio program hosted by Dr. Charles Lee and Dr. Frank Ling. Each show features interviews with scientists and technical innovators, humorous commentary on recent discoveries, plus the Grokotron 5000 and the World Famous Question of the Week! Tune in every week and rediscover the world as you think you know it.

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Toba Catastrophe -— Groks Science Show 2018-10–24

Toba Catastrophe -— Groks Science Show 2018-10–24