Researchers have uncovered that the body uses different molecular systems to sense cold in the skin versus internal organs.

Earth has the perfect combination of a livable atmosphere and a protective magnetic field that prevents the Sun's harmful radiation and radioactive solar winds from damaging us, allowing us to live on ...

Northeastern University researchers have made a breakthrough drug discovery, developing the first synthetic endogenous ...

Some people believe we know everything about such thing as our body, since we study biology at school, read books, and watch ...

Human bodies are exquisitely tuned to one world, and it is not a forgiving one. Strip away our technology and even Earth ...

If a pig embryo infused with human cells truly became something close enough to count as a member of the human species, then ...

Liver disease is a major global health problem, causing over two million deaths worldwide each year. While animal models have ...

The discovery and the use of fire changed the nature of the digestion of food, creating additional calories. Serotonin, a ...

The endocannabinoid system is found throughout the brain and body and plays a key role in everything from memory and learning to sleep to social behavior. During prolonged aerobic exercise, the body's ...

Bear claws are unique among the keratin-based appendages. Discover their uses, characteristics, and impressive strength.