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TIL that young giraffes can moo. Even though adult giraffes do not often make noise audible to human ears, a baby giraffe may "moo," especially if it is in a stressful situation. The sound is very similar to a young calf calling out to its mother.

BgX6b TIL - Modern mammals are unique among vertebrates for possessing three tiny bones in the middle ear, which are unique in that they are separated from the jaw, critical because it allows the separation of hearing and chewing, and also allows hearing of high-pitched noises.
Q766 TIL that while Kevin Bacon was at first no fan of the “Six Degrees of Kevin Bacon” game created over the course of his career, he eventually grew to appreciate it, founding SixDegrees.org, a social networking site dedicating to linking people and charities together.
6ElaX TIL that one of the qualifications required to be elected President of Afghanistan is to not have been convicted of crimes against humanity
781PX TIL that George Orwell was spied on by a Soviet secret agent named Hugh O'Donnell, code-name O'Brien. In a coincidence, (book spoiler) Orwell wrote Nineteen Eighty-Four to have a spy named O'Brien betray the main character, without knowing about the Soviet spy codenamed "O'Brien."
XoaP TIL a person infected with toxoplasmosis is more than twice as likely to be in a car accident—attributed to the parasite’s tendency to reduce reaction time—and has a higher than normal risk of schizophrenia and suicide