Your body is walking proof of evolution, but some parts have grown unnecessary over time. Here are five useless body parts left over from evolution. Follow Tech Insider: On Facebook More from ...

Much of the work is experimental and hasn’t yet been tested in human patients ... replacement body parts. Wake Forest University Baptist Medical Center A heart valve being exercised in the ...

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 ...

Thankfully, those aren't legal to barter, exchange, trade or post for sale, but you can make a quick buck selling other body ...