Be Smart
Do You Really Have Two Brains?
Are you a left-brained person or a right-brained person? Spoiler: You’re neither.
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Episode 33
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Be Smart
Is Your Brain Too Old For Video Games?
Video games are still on the rise. Can you take the heat?
Crash Course Astronomy
Black Holes: Crash Course Astronomy #33
Stellar mass black holes form when a very massive star dies, and its core collapses.