wtf,eww,pee,teeth,science
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Scientists in China say they have successfully grown a human tooth using stem cells taken from urine. Researchers say the technique could one day be used as a way to replace teeth lost through aging and poor dental hygiene, with the added bonus that urine is deemed a less controversial source of stem cells than human embryos.
By Unknown
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At 1 minute in the video you get a close up look at an actual human brain, it is both awesome and gross. You have been warned.

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