Facebook: ad policy unchanged, users in control

Facebook said Friday that ads on the social network featuring user endorsements and pictures were nothing new, and that members remain in control of their own content and images.

Why can't we design the perfect spacesuit?

So far, every spacesuit humans have utilized has been designed with a specific mission and purpose in mind. As of yet, there's been no universal or "perfect" spacesuit that would fit every need. For example, the US ACES "pumpkin" ...

Astronaut trials innovative SkinSuit in space

An innovative SkinSuit designed to reduce the debilitating physical effects of space flight has been trialled for the first time on the International Space Station (ISS) by a European Space Agency astronaut.

Experiment volunteers 'walk on Mars' (Images)

Two volunteers cut off from the rest world for eight months stepped out on a mock-up of Mars on Monday, reaching the dramatic half-way point of their experimental "voyage" to the Red Planet.

Authors Guild worried by Apple e-book suit report

The president of the Authors Guild expressed concern on Friday over reports that the Justice Department is threatening to file an antitrust suit against Apple and book publishers.

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