Waze, a young app company based in Israel, has caught the eyes of both Google and Facebook, according to a new report.
Social media and disasters: When a small post can spur hope
Has Facebook figured out smart phones? Wall Street thinks so.
Green flights? NASA explores biofuel use in planes.
Would a US 'drone court' to authorize drone strikes be a good idea?
Space station astronauts snap amazing photos of Alaskan volcanic eruption
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