What's a good alternative to salt? Learn why potassium chloride could be healthier, but there are some risks.

The first brain mitochondria map has been assembled by scientists in what could be the key to unraveling age-related brain ...

Humans and cats have coexisted for thousands of years, yet the mysterious nature of our feline friends continues to baffle us ...

Scientists have discovered exactly how the human anus may have evolved around 550 million years ago. The body part it may ...

Some tie directly to survival, like the fight for food, water and sex, whereas others are more abstract, like the spiritual battles of religions. The latter burned yesterday, are burning now, and if ...