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Space can make your blood flow backwards

NASA wants to send humans to Mars. Much of the technology to make such a mission a reality is already in place, and other vital systems could be developed in time for a >>

Landslides on Mars might not be evidence of ice after all

When scientists studying Mars discovered a massive landslide on the Red Planet they thought it looked familiar. The cascading material had carved long, curved ridges, and the area was eerily similar to some >>