› added 3 years ago

99

TIL that Indigo Buntings migrate at night using the stars to navigate.

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j6Xen TIL about Prosthaphaeresis, a technique that uses trigonometric identities to quickly approximate a product of 2 numbers by turning it into an addition. It was the only known technique to do so, preceding by 25 years the discovery of the logarithm
m1PMx TIL twelve astronauts total have walked on the moon and only four are still living
R5rol TIL that the exact meaning of the letter “p” in the pH scale is unknown because the inventor never bothered to explain what it stood for.
m1VVR TIL The ~1mm large animal known as Trichoplax can regenerate from just a handfull of cells and if its chopped up, the individual pieces will try to find each other and join back together.
oBRGL TIL the first Space Shuttle was to be named "Constitution", but after a major letter writing campaign by fans of Star Trek, its was renamed to "Enterprise".