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TIL that Antarctica is the continent that had the largest desert.

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781NZ TIL the World's first Tarmac road is Radcliffe Road in UK, that was transformed into a tarmac road by pioneering inventor Edgar Hooley in 1902. Before then, roads were made of Macadam, compacted stone that puctured the wheels of the first motor vehicles.
8abQK TIL where seedless watermelons come from. Much like how a donkey and horse can make a mule but the mule will be sterile, seedless watermelons are the infertile offspring between diploid (22 chromosomes) and tetraploid (44 chromosomes) seeded watermelons.
d4G7 TIL a gay Vietnam veteran has a gravestone that omits his own name, merely saying “Gay Vietnam Veteran,” while pointing out that he received a medal for killing two men and a discharge for loving one.
6EP18 TIL that the white area in the center of ice cubes is a buildup of impurities, mostly sediment and trapped air bubbles. Because freezing starts from the outside in, these materials are pushed to the center of the cube while the pure areas remain clear.
VB7ZQ TIL Spy Kids is on the National Film Registry, being added in 2024