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Nature
The Oldest Mammal on the Planet
Analysis of one Amino acid in Bowhead Whales' tissue is revealing astonishing information about their age. There are some estimates that the whales could be over 200 years old, making them one of the oldest animals on the planet.
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52:58
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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52:59
No spider can escape the tireless pursuit of Martin Nicholas.
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54:19
It's one of the most brutal environments on Earth - so how does life carry on here?
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54:24
Efforts to rescue the thousands of household pets left homeless by Hurricane Katrina.