› added 11 years ago

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TIL Alfalfa is a long lived perennial of up to 20 years and has a taproot that can reach over 20 feet. Because of this, the plant can absorb minerals well below a depleted topsoil and slow erosion.

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4ajb TIL There was a large swastika made of larch trees in Germany that went unnoticed for 55 years
Z8wd4 TIL that Sleep loss causes social withdrawal and loneliness
eYWJ TIL that Volkswagen won an Ig Nobel prize for “ for solving the problem of excessive automobile pollution emissions by automatically, electromechanically producing fewer emissions whenever the cars are being tested.”
p8NGe TIL of the anthropic principle: the idea that any data we collect about the universe is filtered by the fact that, in order for it to be observable in the first place, it must be compatible with the conscious thinking life that observes it. We see, only because we are in a universe that can be seen.
5VKe9 TIL the BBC’s Ceefax officially launched on 23 September 1974, making it the world’s first teletext service. It began as an experiment to provide subtitles for the hearing impaired but expanded to include news, weather, and sports.