› added 8 years ago

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TIL that great white sharks are able to detect electromagnetic fields emitted by movement of animals, they are so sensitive that they can detect variations up to a billionth of a volt. At close range this allows them to hear heartbeats.

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jNAyp TIL in Fahrenheit 451 the gov't didn't burn books because they were an oppressive dictatorship. The people voted to ban the books because they had short attention spans didn't want to be offended
epgKk TIL "Kilroy Was Here" is hidden twice at the National World War II Memorial in Washington, D.C.
loA5G TIL It's believed that the plane crash that killed John Denver on Oct 12 1997 was due in part to him running out of fuel during flight, being unable to see his fuel gauge, and a design flaw in accessing his reserve fuel tank switch.
yQVRl TIL During Argentina’s 1976-83 dictatorship sedated political prisoners were thrown – still alive – from military planes into the freezing waters of the South Atlantic.
oRpAK TIL Xerxes, from 300, built two bridges made out of 300+ ships to help his armies cross between Abydos and Sestos in ancient Greece.