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TIL Indigenous Australians are the most ancient continuous civilisation on Earth, a fact backed by the first extensive study of their DNA, which dates their origins to more than 50,000 years ago. Scientists traced their linage to the DNA of modern populations in Australia and Papua New Guinea.

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KYd49 TIL that the bottom 50% of Americans have only grown their wealth by 65% in the past 30 years, whereas the 51st to 90th percentile grew by 137% and the top 10% grew by 240%.
B5ny TIL that SSRI antidepressants (Zoloft, Lexapro, Prozac, etc.) actually make certain areas of your brain bigger that are associated with positive self-thought. These areas are small in a lot of people with depression and anxiety
QNr9X TIL about the oddly-named "Doomsday Rule" which can (with practice) be used to calculate the weekday of a target date based on the fact that certain days (4/4, 5/9, 6/6...) in any given year all fall on the same day of the week.
1a8l8 Ozone holes open over the South Pole every year. Holes at the North Pole are much, much rarer but scientists have detected what may be the largest hole in the ozone layer ever recorded over the North Pole. Fortunately, the hole looks likely to close on its own in the next few weeks, the European Space Agency researchers said.
4k0OX TIL Due to Pope Pius X dying in August of 1914 the conclave that elected Pope Benedict XV had to be held during WWI. While Italy was still neutral, Cardinals from belligerents such as France, Belgium, Germany, Austria-Hungary, and the UK participated.