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3:41
Two scientists scan islands off Panama for clues to determine how the country was formed.
2:32
When an unimaginably colossal tsunami hits Fukushima, the results are catastrophic.
2:52
See key moments in NASA’s Pluto Flyby, as previewed in a 3-D simulation.
3:07
As the ship Oceanos began to sink, a guitarist aboard helped lift passengers to safety.
3:05
For some breast cancer patients, chemotherapy isn't always necessary.
2:11
Electric cars may play a critical role in a future "smart grid."
3:40
These completely autonomous ball-kickers are irresistible to watch.
4:13
William Herschel gets the credit, but his sister Caroline was also a pioneer astronomer.
3:21
See how salamanders in California are evolving, just as Darwin might have predicted.
2:37
Senior Executive Producer Paula Apsell describes the decision to make "Judgment Day."
2:33
The New York Times technology columnist describes the best and strangest gadgets he’s...
1:31
If an elevator falls, can you save yourself by jumping up at the last second?
