› added 1 year ago

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TIL that the most popular English song in the world is "Happy Birthday to You", according to The Guinness Book.

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LA9p TIL - Scientists can accurately recover sound in a video that has been recorded without audio, just by observing the micro-vibrations of inanimate objects in that video.
WAA9 TIL that the Germans invented an infared scope during WWII. A 13-kilogram battery pack was worn on the back, and the scope could be used for 15 minutes at a time. It was codenamed “Vampir”
6P7Y TIL The Korean alphabet can be learned in about 15 minutes and is brilliantly simple.
vPXbr TIL that Apocephalus borealis, a parasitoid fly also known as the "zombie fly", lays its eggs in honeybees, bumblebees and paper wasps; the hosts - sometimes referred to as "zombees" - show behavioral changes of unclear purpose.
AAdl TIL that there’s an unknown object in the nearby galaxy m82 that started sending out radio waves. The emission doesn’t look like anything seen before