› added 5 years ago

211

TIL ultraviolet light on blood was used to treat infections before antibiotics were common.

Read more ncbi.nlm.nih.gov

via reddit.com

eVYL TIL: A man submitted a patent in 1979 that almost perfectly resembles an iPod. He even went as far as predicting a need for DRM and a way to distribute the music.
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