These 30 Remarkable Body Features Are Very Rare…and Fascinating

Donating blood is one of the kindest (and easiest!) things you can do to help fellow humans.


It’s quick, easy, and relatively painless — and don’t forget about the free juice and cookies!

People of all blood types are encouraged to donate blood if they’re willing and able, but there’s one blood type that’s prized above all others.

Golden blood might be the rarest of them all.

In 1961, doctors discovered a rare mutation that leads to a blood type called Rh-null. It’s called “golden blood” because it can donate and match with any blood type. The catch? It’s EXTREMELY rare!