99% of all the species that have ever lived are now extinct, making all life that’s still on earth the lucky 1%. This episode, Andrew and Aidan walk through the biggest extinction events in the fossil record. From that time when dinosaurs got wrecked by a giant space pebble, to when a Siberian supervolcano killed 90% of all life on earth at the time. Do you remember when the entire ocean was the same temperature as a hot tub, or had the pH of an acid bath? Do you realise how lucky we are to be here?

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