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TIL that a typical session of human sexytime consists of about 100–500 thrusts

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GALQ4 TIL the internationally recognised start of Earth's second-most recent geological age (the Pleistocene, aka the "Ice Age") is officially defined as the time when a specific species of algae became extinct
neQxG TIL that England experiences large spikes in power demand during half-time at football games due to widespread use of electric kettles
X05jQ TIL that brown rats were domesticated twice. First in Japan starting around 1654 and then a second time completely independently in Europe in the early 1800s.
GYDAN TIL there are around 6500 languages spoken in the world today, and 2000 of those languages have less than 1000 speakers
WkyQ4 TIL existing power lines can be used to simultaneously transmit data and electrical power. There are applications for broadband transmission.