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261

Til an earthquake can have a negative magnitude

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xV6gB TIL it is possible to coat droplets of water with silica, resulting in a dry powder known as "dry water"
5Y96R TIL: That 'Aryan' and 'Iran' and 'Iranian' all come from the same word, and some of the 'purest' of Aryans are Kashmiri, Romani Gypsies and Punjabi.
Vl4p TIL that Brazil tops the list of countries which export guns to the US. In 2010, the US imported more than half a million handguns from Brazil.
XVDr TIL that humans are the only living great ape species who have 23 pairs of chromosomes, all other species have 24 pairs.
e0n96 TIL about the Fog Bowl, an NFL game in 1988 between the Philadelphia Eagles and Chicago Bears had a fog rollover so dense that the fans couldn’t see the players and the refs had to call what happened after every play because the players couldn’t even see the sidelines