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TIL that Goose bumps evolved to make our ancestors’ hair stand up, making them appear more threatening to predators.

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PYg7Z TIL There's a zip file titled '42.zip'. It's known as a zip bomb or 'zip of death' because it's original size is only 42 kilobytes. But when it's uncompressed, it expands to 4.5 petabytes (4,500,000 gigabytes), crashing the antivirus program and then the system.
RjZa TIL in 2011 Japan had 442 total homicides. In 2014, on average, there were 490 suicides per week. It is one of the most disproportionate homicide to suicide rates in the world.
eKB6 TIL in 1978, the USS Stein was found to have been attacked by a squid. The ship’s hull suffered cuts over 8% of its surface. From one particularly complete imprint they discovered that the squid was significantly larger than any species of squid that had been discovered at the time.
loKkA TIL of Edith Head, Academy Award-Winning Disney Costume Designer, whom “The Incredibles” character Edna Mode is based off of
Egn0d TIL: Family income is a large predictor of whether or not a student will graduate college