You shed about 1.5 pounds of skin every year, contributing to household dust. Over 700 species of bacteria live in your mouth ...

Bananas contain potassium-40, a radioactive isotope. The levels are harmless and naturally excreted by the body. The ...

S. Capitol lies an intriguing feature known as the Crypt. This curious name often misleads visitors, as it suggests the presence of a tomb. Originally designed to house the remains of George ...

To understand the true might of the United States Air Force, you have to know they track Santa Claus every Christmas Eve, which is a herculean task. Taking place at NORAD (North American Aerospace ...