We may need to genetically engineer astronauts to protect them from radiation during long space flights

Chelsea Gold | 
One of the main health concerns with space travel is radiation exposure. If, for example, scientists could figure out a way ...

How can ‘water bears’ survive in outer space? ‘Fluffy cloud’ of protein may shield tardigrade DNA

Tina Saey | 
Tardigrades may partly owe their ability to survive outer space to having the molecular equivalent of cotton candy. Water bears, ...
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