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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
You may have seen the sparkle of fireflies on a summer’s night. The fireflies...
Harp seals depend on seasonal ice during the breeding season. Their populations may...