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155

TIL Female Koalas engage heavily in lesbian sex

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R7Dja TIL that there is a punctuation mark for sarcasm. Introduced in 2010, the "SarcMark" looks like a reversed 6 with a dot in the middle. It is used just like the question mark or exclamation mark, except this mark indicates irony or sarcasm. However, anyone hoping to use it must pay $1.99 (£1.20).
7rPWL TIL the last known grizzly bear in Colorado died when she attacked a bow hunter named Ed Wiseman. Wiseman played dead at first but decided to fight back when the bear did not stop mauling him. He picked up a loose arrow and stabbed the bear in her jugular.
16818 TIL that Willie, a parrot, alerted its owner, Megan Howard, when the toddler she was babysitting began to choke. Megan was in the bathroom, the parrot began screaming "mama, baby" while flapping its wings as the child turned blue. Megan rushed over and performed the Heimlich, saving the girls life.
W741d TIL about Giant Rock, a 7-story high freestanding boulder in the Mojave Desert. It's purported to be the largest freestanding boulder in the world.
Dr4P TIL the computer mouse, video conferencing, teleconferencing, hypertext, word processing, hypermedia, object addressing and dynamic file linking, bootstrapping, and a collaborative real-time editor were all demonstrated for the first time in what is the called the “mother of all demos” back in 1968