Astrobiologist Joshua Sebree of the University of Northern Iowa suggests that South Dakota's Wind Cave exhibits chemical ...

Scientists are trying to understand how the caves formed and how life is supported in extreme environments. The post ...

Medically reviewed by Christine L. Larsen, MD Photophobia is an abnormal sensitivity to light. It is associated with dry eye ...

That’s no coincidence. Light blue is a soothing, relaxing color that has been shown to improve focus and productivity. It can also reduce blood pressure—and, in today’s world, who wouldn’t ...