Nodding off is dangerous. Some animals have evolved extreme ways to sleep in precarious environments
Every animal with a brain needs sleep -- and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep.
During a dark and cloudless Saturday night out on Tomales Bay, the red lights on the back of a dozen kayaks bobbed on the ...
Point Reyes National Seashore visitors drag their kayaks into Tomales Bay to see bioluminescence. Two kayakers paddle across ...
The leatherback turtle — the largest of all sea turtles — travel more than 3,000 miles from the cold, nutrient-rich waters of ...
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