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TIL that in a study of domestic violence victims, 40.2% of men who contacted local agencies for help were accused of being the batterer.

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0wbMR TIL of the H - Index. A ranking of scientific authors and scholars according to productivity and citation impact of publications. It also takes into account things like obtaining the Nobel prize, being a research fellow or holding a high position at a university. Albert Einstein has an H index of 44
4A8g TIL that Russian leaders take turns between being hairy and being bald, going back as far as 1825.
X0PbQ TIL that author James Patterson helped write the famous Toys R Us jingle.
9wpdB TIL that the white flames shooting from the exhaust of top fuel dragsters is not from unburned fuel but is because the exhaust is so incredibly hot it breaks down the water vapor in the intake air to hydrogen and oxygen which makes the white exhaust flames.
4kMJR TIL The fist bump originated in the US in the 1970s likely as an imitation of 2 boxers bumping gloves before a match. The first fist bump recorded in Australia was in 1990 between two opening batsmen, Mick Tyler and Bob Minney. From there it spread world wide and became popular among all athletes.