› added 9 years ago

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TIL that the filters on cigarettes have no proven health benefits, and are the most common form of litter in the world.

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j64Kn TIL that an asteroid traveling at 20 kilometres (12.4 mi) per second collided near South Africa 3.26 billion years ago creating a megatsunami that extended to a depth of thousands of meters beneath the surface of the ocean and rose to the height of a skyscraper when it reached the shorelines.
7WdO TIL a high school in Tucson, Arizona had a Mexican American/ethnic studies program that graduated 93% of its students (vs. the 48% of Latinos graduating statewide) before it was banned for being un-American in 2010.
amPN TIL the power in our electrical grid carries a timestamp which can be traced. All digital recordings made near an electrical power source will pick up this noise and it will be embedded throughout the audio then can be used as evidence in court. DO OVER.
QJaWd TIL some of the first cave art was of overly exaggerated nude woman so basically cave porn
Yp64v TIL that because of jet streams being predominantly west-east, flights towards the east are faster than towards the west. As an example, flying from New York to London takes 6h 55m, whereas flying from London to New York takes 8h 15m on average.