› added 9 years ago

199

TIL: That hitting the ball around (and not over) the net in tennis is a completely legal move.

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via reddit.com

lolN TIL that even though your chances of contracting HIV from a positive person via needle sharing is about 90% on average, depending on viral load, your chavces of contracting it from unprotected sex average less than 1%.
LkDbQ TIL prop masters make and test fake drugs before they’re used in movies like The Wolf of Wall Street. Cornstarch or Vitamin B powder for cocaine, oregano or hobby store moss for marijuana, freeze-dried regular mushrooms for magic mushrooms.
wLmgP TIL That in Brazil when a kid is lost on the beach people start to clap around him so the parents can find him easy
vKlR TIL A Chinese construction company built a 30-story hotel in 15 days. The hotel is energy efficient, has air 20 times cleaner than comparable hotels, and can withstand earthquakes up to magnitude 9.
n5QW TIL in South Korea, children under 17 are blocked from playing online games past midnight which is monitored by their KSSN (Korean Social Security Number).