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TIL most adults with autism spectrum disorder are unaware they have it until tested. Being diagnosed can lead to treatment and becoming a more socially comfortable person.

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OGP4a Today I learned that there is an Australian High School that has had a a mummified head in their library for over 100 years.
woZ7P TIL a Puget Sound orca called L25 is the oldest known living wild orca in the world. While her exact age is uncertain, she's estimated to be anywhere from her mid-80s to her mid-90s. In 1976 when the Center for Whale Research's census began, the original estimate for L25's birth year was 1928.
9YNJQ TIL: The city of Cairo derives itself from Al-Qāhirah, meaning “Camp of Mars”. The city was founded when Mars was visible in the sky.
V9op TIL Diesel and House Heating Oil are the same fuel. The difference is Heating Oil is dyed red and does not have a road tax applied to it making it cheaper. You can use it in off road machinery but it is illegal to use in a truck or car utilizing public roadways.
vn6R TIL the hole in the ozone layer is expected to be completely healed by 2050 thanks to the Montreal Protocol signed in 1987, limiting the use of CFC’s