Related topics: species · mammals

Bats don't rely on gut bacteria the way humans do

Right now, there are trillions of bacteria living in your gut, making up about one percent of your body weight. They're supposed to be there—we need them to help us digest food and fight off diseases. The same is true for ...

Saving Australia's sea lion population

A world-first trial is under way to treat the Australian sea lion with a topical anti-parasitic in an attempt to rid the endangered species of debilitating hookworm infestation. The experiment is led by Dr. Rachael Gray, ...

How did the extinction of saber-toothed cats impact other mammals?

When saber-toothed cats and mammoths roamed North America, they dominated their environments. After they went extinct during the end of the last ice age, their absence fundamentally altered interactions between smaller surviving ...

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