› added 9 years ago

110

TIL that tooth enamel, the hardest and most mineral dense substance in our bodies, is primarily composed of dense rods of hydroxyapatite crystals.

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6EedW TIL Milling is a training activity in the British airborne infantry. For a fixed period, two opponents punch each other in the head as aggressively as possible without evasion. An instructor described milling as "arguably the most important event of the [training] course"and its "flagship event"
xGaB TIL George Washington was the wealthiest US President, with $525 million (adjusted for inflation). His salary was 2% of the total US budget in 1789, and he owned over 50,000 acres of land.
ADDwg TIL that a psychiatric study done on survivors of the WWII London bombings shows that while people that barely survived suffered shock and trauma, people farther away felt a "feeling of excitement with a flavor of invulnerability".
KGOw TIL Bob’s burger restaurant, Bob’s Burgers (from “Bob’s Burgers”) would need to sell 785 of Bob’s burgers per month in order to pay rent.
E1lAX TIL that the band Guster tried to thwart "pirates" on Napster by uploading a version of their album Keep It Together that replaced real vocals with fake cat meows.