› added 4 years ago

407

TIL Hawaii still has an active leper colony

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via reddit.com

R55K1 TIL a cat’s purr is typically between 25Hz and 140Hz. These levels have shown promise in healing bone and joint problems, so much so that the rate of healing for broken bones has shown to increase.
N7BLM TIL A solar super storm on July 23 2012 missed Earth by just 9 days. If it had hit, as one did in 1859, it would have sent us back to the 18th century overnight, rendering our electrical systems inoperable (incl. satellites).
46Za TIL that in Denmark, it is illegal to burn foreign flags, but not illegal to burn the Danish flag.
4XZk6 TIL that modern scientific research is seen by scientists and historians as "Big Science", with scientific progress since WWII increasingly relying on large-scale projects with big budgets, big staff, big machines, and big laboratories, usually funded by national governments or groups of governments
E1Ylw TIL that the average dinosaur excavation costs about half as much as the average wedding and anyone can sponsor a dig.