Zapping a rodent's brain can put it into suspended animation. Scientists want to one day use the same technique for humans traveling to Mars.

Zapping a rodent's brain can put it into suspended animation. Scientists want to one day use the same technique for humans traveling to Mars.

An artist's impression of what an astronaut might look like on Mars.peepo/Getty Images <ul> <li>Scientists have zapped mice and rats into a suspended-animation-like state called torpor. </li> <li>Th… [+6348 chars]

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