› added 4 years ago

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TIL that Daniel Hale Williams founded the first black-owned hospital and performed the first successful heart surgery in the world!

Read more columbiasurgery.org

via reddit.com

R7kv8 TIL of America’s first bank robbery, of $162,821, the thief was caught because he deposited the money back into the same bank.
9wJyD TIL the "Wow! Signal", a 72-second radio signal detected in 1977, is the strongest candidate for an alien transmission ever received Its frequency (1420 MHz) was near the hydrogen line, ideal for interstellar communication, and its intensity was 30 times stronger than background noise. Despite numer
OGylR TIL that Grover Cleveland is the only US President to be elected on non-consecutive terms.
xxJ1 TIL Lisa Lampanelli once counted 44 protestors from the Westboro Baptist Church at her show so she donated $44,000 to a gay rights charity in their name
0dNp1 TIL of "sun outages" in days near the equinoxes, in which signals to or from geosynchronous communication satellites are drowned out by the radio noise blasting from the sun as the satellite or the earth from the satellite's POV moves slowly near it.