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TIL that asparagus can grow up to 7" in a day, and a farmer can harvest spears more than once a day from the same plant.

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J1d88 TIL After his death John Belushi was found to have 26 recent needle marks in his arm
JADm TIL 70 years ago today, the Polish attacked the Nazis to liberate their capital. During the 9 week rebellion that followed, more than 200,000 died, mostly civilians. Now, every August first, the entire city of Warsaw stands still for a full minute to commemorate their fallen.
VBK4D TIL in the 1940s and 50s, a vast labyrinth of subterranean tunnels were dug into the frozen permafrost underneath Novy Port in Siberia for cold storage. It's been called the world’s largest natural refrigerator. The tunnels run for more than a kilometer and has some 200 small side tunnels and caves.
jb1p TIL that three Stanford “rocket scientist” mechanical engineering PhD students invented a disease-detecting breath analyzer and were approved to test their prototype on human patients – all in under one year, an almost unfathomable feat in the medical device realm
k5ng TIL that a captive killer whale at MarineLand discovered it could regurgitate fish onto the surface of the water, attracting sea gulls, and then eat the birds. Four others then learned to copy the behavior.