› added 5 years ago

70

TIL that a saxophone was among the casualties of the Challenger disaster.

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via reddit.com

XEvW8 TIL That when flying in formation flight, induced drag is significantly reduces by 81% with up to 25 wings in a V-shaped formation. This is often seen in migratory birds which help them fly longer by saving energy.
KeXQ TIL in 2015 Beijing banned 2.5 million cars for two weeks to get beautiful blue skies for a World War II parade.
4k9lJ TIL that Battle Creek, Michigan is Called “Cereal City”, Battle Creek’s journey to becoming Cereal City began in the late 19th century. The city’s foray into the world of cereal started with the health and wellness movement, led by prominent figures such as Dr. John Harvey Kellogg.
XL6P TIL it costs more to keep a prisoner in prison, than to send a student to Princeton.
0d6M5 TIL about the human brain is incredibly efficient and only runs on about 20 watts of power; about the same amount as a dim light bulb.