› added 3 months ago

14

TIL that banks used to print people’s social security numbers on their checks.

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via reddit.com

6E4j7 TIL the origins of Chemotherapy come from mustard gas during WWII when scientists realized that it damaged DNA and decreased the formation of blood cells by the bone marrow. They wondered if similar compounds would have a similar effect on cancer cell proliferation. And so Chemo was born.
bgkp TIL that rockstar Alice Cooper used to babysit Keanu Reeves.
AD85g TIL of a natural phenomenon called radiative cooling which the ancient Persians exploited to create ice, even when temperatures were above freezing
DpJr TIL: A japanese guy lost approximately $70 billion during the dot com crash of 2000
5VrGr TIL Whale songs can be used to map out the ocean floor