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San Francisco, 4:19 PM
Tue Dec 22
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Navy-Trained Sea Lions Ready to Arrest Enemy Divers
Dolphins aren't the only aquatic mammals fighting human battles. The US Navy has long been training sea lions as equipment retrievers and underwater sentries. Now they plan to outfit a naval base with mine-sweeping, diver-trapping sea lions. More »Surveillance Cameras Capture the Elusive, Endangered Saharan Cheetah
Using motion-triggered cameras developed for surveillance, a team of researchers in Algeria has captured the first photographs of a nearly-legendary variety of cheetah, believed to be one of only 250 Saharan cheetahs left on Earth. More »Chameleons Use Color to Communicate, Not Hide