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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%.

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QJXlM TIL you have a greater risk of mental illness if you are highly intelligent. A survey of the top 2% of Mensa members showed that their rates of depression, bipolar disorder, BPD, SAD were all higher than the national average. Scientists suspect that a highly active brain might also be high sensitive
VBQEk TIL that most Americans still use SMS as the main method of instant messaging
OGxe7 TIL of Penelope a platypus known for faking a pregnancy and escaping Bronx Zoo
jNvmQ TIL that a famous philosophical thought experiment about the senses first discussed by John Locke in 1689 was performed IRL under controlled conditions in 2007, and Locke was proven right
w78M TIL that Pakistan’s parliament is the only parliament in the world to be fuelled solely by solar power.