Islands are biodiversity hotspots. They only make up 5 percent of the world’s land mass, but they are home to 20 percent of its bird, reptile, and plant species, many of which are endangered. So, what ...

A new study in mice shows that cutting down the amount of a single amino acid called isoleucine can, among other benefits, extend their lifespan, make them leaner and less frail as they age and reduce ...

CAPE TOWN, South Africa (AP) — Mice accidentally introduced to a remote island near Antarctica 200 years ago are breeding out of control because of climate change, and they are eating seabirds and ...

For nearly a century, laboratory studies have shown consistent results: eat less food, or eat less often, and an animal will live longer. But scientists have struggled to understand why these kinds of ...

Even in the absence of hunger, mice increased their sucrose diet intake after observing their peers eat. This effect was abolished by the inhibition of dopamine receptors. Previous studies in humans ...

There’s a popular saying in some circles that “a calorie is a calorie,” but science shows that it may not be true. In fact, it may be possible to eat more of some kinds of calories while also ...