› added 11 years ago

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TIL that spiked dog collars were invented in ancient Greece and were originally designed to protect the dogs throat from wolf attacks

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via reddit.com

9bEm TIL in WW2, Nazis rigged skewed-hanging-pictures with explosives in buildings that would be prime candidates for Allies to set up a command post from. When Ally officers would set up a command post, they tended to straighten the pictures, triggering these “anti-officer crooked picture bombs”
KO4Ra TIL that zebra stripes are believed to be protection against biting insects. The pattern disrupts insects vision and they can't make a proper landing on the zebra.
GYor7 TIL - the US Postal Inspection Service is the oldest branch of law enforcement in the US. Tracing its roots to 1772 when Benjamin Franklin appointed a surveyor to audit mail delivery, it predates the US itself.
4dno TIL that Christians only started believing in literal 6-day Creationism during the last 100 years.
4X1Lb TIL that government agencies such as the FDA and EPA have valued human life at around $10 million. They use this to assess how much money to spend on different programs.