Cleaning water with 'smart rust' and magnets

Pouring flecks of rust into water usually makes it dirtier. But researchers have developed special iron oxide nanoparticles they call "smart rust" that actually makes it cleaner. Smart rust can attract many substances, including ...

Mimetic Martian water is under pressure

Researchers investigating whether liquid water could exist on Mars have provided new insight into the limits of life on the red planet.

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