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Sci-Tech

NASA says liquid water is on Mars - so is there life?

Scientists have evidence of flowing, liquid water on Mars. Meanwhile on Earth, Apple sells a record number of iPhones and Facebook gives Notes a boost for blogging.

Mars isn't as dry as we once thought.

Signs of liquid water have been found on the red planet, suggesting the possibility of life. In this CNET Update, learn what NASA scientists have discovered about the liquid. There's also a phenomenon on our planet that has some in shock: Apple has sold more iPhones than ever before on a launch weekend.

Now playing: Watch this: NASA says liquid water is on Mars -- so is there life?
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NASA says liquid water is on Mars - so is there life?