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It’s Okay to Be Smart

S1 Ep45: So You Want to go to Mars?

Video duration: 8:17

Can't wait to get into outer space? Well there's a bit you need to know first... Spending time in zero gravity can have some pretty extreme effects on the human body. Still scientists are already making plans for long trips to other planets, but first we have to start with a few experiments here on Earth — and it all starts with astronaut Scott Kelly spending one full year in orbit.

Episodes of It’s Okay to Be Smart157

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S4 Ep3: What’s REALLY Warming the Earth?

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Video thumbnail: It’s Okay to Be Smart S3 Ep50: The Invisible Creatures That Keep You Alive!

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