› added 6 years ago

177

TIL Female Dragonflies will fake their own deaths in order to avoid sexual advances from unwanted males.

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1aNb4 TIL: While Hepatitis B shots are a federal requirement for school children, Hepatitis A shots are left to the states to decide. Hepatitis A has the more common outbreaks when someone is infected doesn't wash their hands and then handles food or surfaces.
9Y4Q TIL that the fastest object ever made was a manhole cover accidentally launched by a nuclear explosion.
wLDxP TIL HBO was worried the audience would think "The Sopranos" was about opera music. They tried to change the title to "Made in New Jersey" before compromising on a smoking gun in the title logo.
M6dW TIL the words “For Our Princess” are engraved inside every Microsoft Zune HD as a tribute to a team member who passed away during its development.
5V7DQ TIL Manchu arrowheads came in many different designs, military, hunting or target, some to be retrievable without damage, some to whistle only, some to whistle and kill (the animal was startled by the whistle, making them easier to hit), some to kill by blunt force, or spear fish or small game.