Scientists have long recognized human skin as a vibrant ecosystem that's home to millions of microorganisms. Our skin microbiome includes bacteria, fungi, and viruses; all playing a key role in ...

Our ancient ancestors didn’t have clothes or houses – but that constant exposure to the sun helped their skin protect itself ...

For most of our evolutionary history, human activity has been linked to daylight. Technology has liberated us from these ancient sleep-wake cycles, but there is evidence sunlight has left and ...

A new documentary brings early human history to life with a "scientifically accurate" collection of hyper-real 3D models.

Get Instant Summarized Text (Gist) Natural light exposure before waking reduces morning fatigue and sleepiness. A study compared three conditions: natural light for 20 minutes before waking ...