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TIL that fully grown Sunflowers don't always face the Sun. The property of facing the Sun is observed only in the young flower heads and it stops as the flower matures. Mature Sunflowers generally face the east.

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dX98 TIL a new prototype engine will allow travel from London to Australia in 4 hours.
7rnAp TIL there are gloves that teach untrained musicians to play the piano in an hour. While wearing, the gloves vibrate in ways that stimulate certain movements to condition a user's hand for a specific task. These vibrations help the brain soak up knowledge even if the wearer isn't paying attention.
Jvam TIL Jim Cummings, the voice of Winnie the Pooh, calls sick children in hospitals and talks to them in Character. “..Her mother was in tears, just crying. She said that was the first time her daughter had smiled in six months.”
DQXRv TIL that during Hurricane Camille in 1969, the rainfall in Virgina was so heavy that birds drowned in trees and people had to cup hands around their face to breathe. According to the weather service, it was the probable maximum rainfall which meteorologists compute to be theoretically possible.
b9p8Z TIL a recent survey of the total Mountain Gorilla population estimated there are at least 1,004 individuals, reflecting a substantial increase since 2008. Due to this upward trend in population, their status has been changed from Critically Endangered to Endangered.