US scientists plan greenhouses on the Moon

Astronauts' meals have come a long way from the freeze-dried powders and semi-liquid pastes of decades ago: now US scientists want to grow vegetables in mini-greenhouses on the Moon.

One-eyed filmmaker conceals camera in prosthetic

(AP) -- A one-eyed documentary filmmaker is preparing to work with a video camera concealed inside a prosthetic eye, hoping to secretly record people for a project commenting on the global spread of surveillance cameras.

Microbot motors fit to swim human arteries (Video)

(PhysOrg.com) -- A range of complex surgical operations necessary to treat stroke victims, confront hardened arteries or address blockages in the bloodstream are about to be made safer as researchers from the Micro/Nanophysics ...

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