Colonizing Mars could require humanity to tweak its DNA

Colonizing Mars may require humanity to tweak its DNA

If humanity is ever going to calm down on Mars, we could must turn into rather less human.

Crewed missions to Mars, which NASA needs to start out flying within the 2030s, shall be powerful on astronauts, exposing them to excessive radiation hundreds, bone-wasting microgravity and different hazards for a number of years at a time. However these pioneers ought to nonetheless have the ability to make it again to Earth in comparatively good nick, company officers have mentioned.

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