Why we have body parts we don't need is simple. According to the Harvard Health website, they were most likely necessary at one point but eventually became nonessential through evolution.

Researchers Unearth Prehistoric Mummies That Were Made of Body Parts From Several Different People Researchers were shocked ...

Here's the list of requirements for potential donors ... an exception exists in certain states when it comes to bone marrow. The body replenishes marrow like it does blood, meaning selling marrow ...

Scientists are exploring that futuristic vision by using special 3-D printers to make living body parts. Called bioprinters, these machines use human cells as “ink.” A standard 3-D printer ...

Our new study explored a different possibility – that laws about bodily damage are rooted in something universal about human nature: shared intuitions about the value of body parts. Do people across ...

Do people across cultures and throughout history agree on which body parts are more or less valuable? Until now, no one had systematically tested whether body parts are valued similarly across ...