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Nature
A Squirrel's Guide to Success
The squirrel family – from tiny chipmunks to big prairie dogs – is one of the most widespread on Earth. There are almost 300 species of squirrels that can glide through the air, outwit rattlesnakes, and survive the coldest temperatures of any mammal. Discover the secrets to their success.
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Horseshoe crab numbers drop as their use as bait by the fishing industry increases.
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The explosion of dog types into the roughly 400 breeds and dogs' role in medical care.
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52:59
This film explores how the domestication of dogs might have taken place.
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No spider can escape the tireless pursuit of Martin Nicholas.