S12 E16 - 12m 15s
For centuries, diamonds were one of the most mysterious materials on Earth. They were beautiful, indestructible, and completely unexplained. Today, we’re exploring how scientists unlocked their secrets, and how one lab recreates the extreme conditions in Earth's mantle to make diamonds… out of dead people.
S12 E15 - 11m 20s
See how they trick the brain to make themselves invisible — and what this can teach us about how other animals see and perceive the world.
S12 E14 - 11m 17s
Nature has had to come up with some crazy ways to survive harsh winters. But none are weirder than hibernation. Turns out there is more than one kind of hibernation, and studying all these ways that life slows down in the cold might help humans one day become an interplanetary species.
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