Parasites are dangerous creatures that survive off their hosts. Here are 12 common parasites that feed on the human body.

Stem cells, which drive regeneration, require a microenvironment in tissue called a niche, but not so much in this ...

In the late 1950s, archaeologists discovered a cave in the Rio Zape Valley of Mexico. There were ancient human remains in the cave dated to between 660 and 1430 A.D., many of which belonged to ...

When a planarian flatworm loses its head, it simply grows another. The head, if left alone, can grow a body to match. In a ...