Scientists may have found a way to create universal blood. Here's how it works.

Scientists think that they’ve found the key to creating universal blood — and it’s in your poop. 

At a press conference held by the American Chemical Society earlier this week, a team of chemists lead by Steve Withers from the University of British Columbia announced that they were able to identify an enzyme — found in gut bacteria — that can make universal Type-O blood from other blood types. 

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What they’ve done is collected samples of this bacteria from human feces, let them cultivate the enzyme in a lab, and then applied the enzyme to Type A blood.  Read more...

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