How do scientists calculate the mass and velocity of planets? Why does time slow down during accidents? Is table salt bad for us? Why do cockroaches end up on their backs when they die? Will other primates become human? Plus, a lumpy Earth!
How do scientists calculate the mass and velocity of planets? Why does time slow down during accidents? Is table salt bad for us? Why do cockroaches end up on their backs when they die? Will other primates become human? Plus, a lumpy Earth!
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