Science and technoloyg: The Year in Review

From Facebook's explosion in popularity to an astronaut's fall from grace, 2007 was a major year for science and technology. Click through the timeline to see CNN's picks for the year's top 10 stories.

Story Highlights
Windows Vista, Halo 3, iPhone were among year's releases, Earth-like planet discovered, mummy of Queen Hatshepsut identified, Astronaut falls from grace, bald eagle removed from threatened species list, Google stock tops $700, Microsoft buys Facebook share for $240 million

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