Archaeologists have unearthed the oldest known fossil of a partial face from a human ancestor in western Europe ... a paleontologist at the American Museum of Natural History, who was not involved in ...

A new study highlights how controlled exposure to natural light before waking can improve morning alertness and reduce sleepiness.

Researchers tested whether introducing light into the bedroom before waking would improve morning wakefulness and found an amount of time that seems to help fight off fatigue and raise alertness most.

a light-sensitive pigmented spot on the skin, could have gone through changes and complexities to form the human eye, with its many parts and astounding abilities. Through natural selection ...