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TIL that the sharpest teeth in history didn’t belong to sharks or even dinosaurs. They came from conodonts tiny eel-like creatures that lived 500 to 200 million years ago. Their tooth tips were just two micrometres wide, about 1/20th the width of a human hair, making them the sharpest ever measured.

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WkYGX TIL that British banking giant HSBC admitted to laundering billions of dollars for Colombian and Mexican drug cartels and violating a host of important banking laws (from the Bank Secrecy Act to the Trading With the Enemy Act), but there were no criminal charges and no one went to prison.
wLP47 TIL - Industrialist Andrew Carnegie, called on the rich to use their wealth to improve society and dedicated the last 18 years of his life to large-scale philanthropy giving away 90 percent of his fortune, $350 million ($65 billion in 2019 dollars) to charities, foundations, and universities
Zp9Va TIL the Antarctic Midge (Belgica antarctica) is a species of flightless midge, endemic to the continent of Antarctica. At 2–6 mm long, it is the largest purely terrestrial animal native to the continent and the only insect that can survive year-round in Antarctica
Y7JLG TIL there are aircraft carriers powered by nuclear reactors.
6E54Q TIL In February 2018, a pride of lions killed and ate a man suspected of being a poacher near Kruger National Park in South Africa.