Saving the ozone helped climate change, extra-solar comet, great auk extinction, rockets for Mars, concussions and brain hemispheres and a question of cloud cover

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Manage episode 248045733 series 2434985
By CBC and CBC Radio. Discovered by Player FM and our community — copyright is owned by the publisher, not Player FM, and audio is streamed directly from their servers. Hit the Subscribe button to track updates in Player FM, or paste the feed URL into other podcast apps.
When we saved the ozone layer we saved ourselves from even worse climate change; An interstellar visitor could be lighting up for astronomers in time for the holidays; Penguin-like great auk extinction has human signature all over it; NASA, SpaceX, a former astronaut: Who will build the rocket that takes us to Mars?; Concussions can damage the connection that helps your left brain talk to the right; As water covers most of the Earth, why isn’t it completely shrouded in clouds?

423 episodes