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TIL Aggression can be decreased (and increased!) in participants performing aggression experiments by using non-invasive direct brain stimulation.

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ZJja TIL that the Amish use air-powered tools for everything, including pneumatic blenders, sewing-machines and table-saws.
vPR7K TIL about the Cerutti Mastodon Site, a paleontological & possible archeological site where broken mastodon bones with cobblestones showing wear & impact marks among the otherwise fine-grain sands were found. One theory suggests this to be evidence for an earlier human migration to North America.
VVaG TIL warming temperatures are making WWI military sites high up in the Alps accessible again, revealing relics and bodies from the “White War.”
kJrEB TIL saturation divers have to live weeks in a pressurized environment
5bQ9 TIL of 211, a 24/7 hotline run by the United Way that connects people in need with assistance programs that may help them.