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Fighting slugs: How they protect their resources
Even the meeting of lips can become an aggressive act in the animal kingdom. When humans come lip to lip, the result is a tender kiss, but this is not so for all animals. Some creatures throw mouths ...
The Cold War on MSN
How animals were recruited to fight the Cold War
The Cold War was full of secrets - and some of them had fur, feathers, or fins. This video explores how the U.S. and Soviet Union experimented with animals for espionage, sabotage, and underwater ...
Big cats and birds, even insects, guard their territories rather ferociously, sometimes at the risk of their own lives ...
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