› added 10 years ago

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TIL that psychopaths convicted of murder, rape and violent assaults have distinct brain structure

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rwRx TIL that a study was performed that distributed free birth control to young women. Over the next few years the women had approximately 72% fewer abortions and 80% fewer teen pregnancies than the national average
9YEY7 TIL that the narrow stream of water ( rooster tail) on jet ski serves no mechanical purpose and is only there to make the jet skis more visible
OoRE7 TIL of "interpersonal synchronization" - the feeling of when you "click" with someone. Studies show people's brain waves sync in wavelengths called the alpha–mu band, or what scientists call brain-to-brain coupling, and mirror each other neurologically in terms of what they are focusing on.
0wR0A TIL of the Visible Human Project, where in 1993, a murderer was frozen, sliced and imaged, millimeter by millimeter, from the top of his head to the bottom of his feet, for science.
wLvP7 TIL McDonald's ice cream machines aren’t always broken. They have a daily required cleaning cycle that takes 4 hours so employees just say the machine is broken.