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Taking an Ice Sample
Using a drill, a team removes a chunk from the thick Arctic ice. Small samples are...
Mon, 01/10/2011 - 11:55
Killer Whale: Orca
Killer whales (Orcinus orca) are master hunters, using speed, camouflage, and a...
Wed, 09/30/2009 - 11:20
It may be the last place you’d expect to find corals—up to 6,000 m (20,000 ft)...
You may have seen the sparkle of fireflies on a summer’s night. The fireflies...