This hand-cranked gadget tests your blood type in a minute, no electricity needed
Original headline: This Hand-Cranked Device Can Tell You Your Blood Type And Red Cell Levels in a Minute
What happened
Researchers have developed a hand-cranked device that can determine blood type and red blood cell levels in about a minute without power.
- Funny
- 4/10
- Wild
- 6/10
- Legit
- 7/10
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