Want to Go to Mars? First, Learn How to HibernateIt stands to reason if you lower metabolic rate of the body, you lower energy usage, said Hannah Carey, a researcher at the School of Veterinary Medicine at the University of Wisconsin-Madison, whose lab has extensively investigated hibernation in mammals on Earth. In science fiction movies like Passengers, hibernation is portrayed in the form of suspended animation, or putting a body on ice and preserving it indefinitely. This might be useful in the future, but its impractical for traveling within the solar system (say, to Mars), where transit times will most likely be a few months to start off with.




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