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You probably wouldn't say it to its face, but the famously fearsome Tyrannosaurus rex has long been the butt of tiny arm jokes.

Somehow, while the rest of the ancient Egyptian world has crumbled around it, the Great Pyramid of Khufu at Giza remains standing, even after 4,600 years.

Humans are living longer than ever before.

Stored in an open-air warehouse in tropical Darwin, Australia, are dozens of trays containing cylindrical cores of rock.

Catching Alzheimer's early means a better opportunity for it to be studied and for treatments to be tried.

Alzheimer's disease, a progressive neurodegenerative disorder that affects millions worldwide, has a long preclinical stage.

As more people look for ways to stay younger for longer, the supplement industry has moved beyond creams and cosmetic fixes to something more ambitious: products that claim to slow aging by acting on cellular processes.

It doesn't matter where you're from or what cultural background you have - about 90 percent of people are right-handed.

NEW YORK (AP) - A biotech company that aims to resurrect lost creatures said Tuesday it has hatched live chicks in an artificial environment - a development that was met with mixed reviews from scientists and critics of its de-extinction mission.

More than 20 years ago, four female beluga whales were kept together at the New York Aquarium of the Wildlife Conservation Society.