Deep Look
This Is Why Water Striders Make Terrible Lifeguards
They may look serene as they glide across the surface of a stream, but don't be fooled.
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Why Does Your Cat's Tongue Feel Like Sandpaper?
It's not vanity. For cats, staying clean is a matter of life and death.
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Everything You Never Wanted to Know About Snail Sex
Besides being hermaphrodites — all snails have both boy and girl parts.
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Behind the Scenes With Deep Look: The Diva Decorator Crabs
How long does it take to film a decorator crab putting on its seaweed hat?
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These Fish Are All About Sex on the Beach
During the highest tides California grunion stampede out of the ocean to mate on the beach