› added 5 years ago

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TIL of Karl Schwarzschild who, in the same year Einstein introduced general relativity, provided the first exact mathematical solution to general relativity whilst on the front lines of World War I

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mMOE TIL that the deadly mosquito is actually a very weak flier (1 mph). The American Mosquito Control Association says just a fan can keep them away.
GAD4Q TIL The first modern supermarket, where customers could select their own items, was Piggly Wiggly, a chain opened in 1916. The founder Claurance Saunders, when asked why he chose that replied “So people will ask that very question.”
Wk85L TIL that tourists to North Korea are not allowed to use the local currency (the North Korean won), and instead must use a special debit card tied to foreign currencies.
1oNV TIL there are 33,000+ PhD graduates receiving public aid in the United States.
M8Pm TIL Emma Thompson is the only person in history to win an Oscar for both acting and writing.