› added 11 years ago

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TIL that there is a positive correlation between vitamin D and testosterone levels in men. The more sunlight exposure a man gets the more likely it is that he has elevated testosterone levels.

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v1dnj TIL Winnipeg has a Skywalk System, a network of pedestrian skyways and tunnels connecting a significant portion of downtown. It provides year-round climate-controlled access to over 200 shops, 700 apartment units, 2 hotels, and 11 financial centres
l7Ey5 TIL of ant-fungus mutualism. Leafcutter ants cut leaves and transport them back to their nests, where the leaves are used to cultivate fungus which is used as a food crop. In some advanced genera the queen ant may take a pellet of the fungus with her when she leaves to start a new colony.
PYwMJ TIL in 1721, the now-Lutheran Danish sent missionaries to Greenland, as it was assumed the medieval Norse settlers must still be Catholic or had reverted to paganism. The Norse had died out in the early 1400s, but the Danes found Inuit there instead
dDRWj TIL until the mid-1990s the Italian-American mafia controlled trash collection in New York City, fixing prices by extorting or murdering competitors or requiring them to join the price-fixing cartel. After an undercover operation convicted the leaders, trash collection costs dropped by $600 million.
rvle TIL: That the only woman ever in history to obtain a 10th degree black belt in Judo did so at the age of 97. She also continued teaching Judo 3x a week until she died at 99