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TIL researchers discovered that applying a sonogram to a person's skull and stimulating specific brain regions can alter their mood. One researcher described applying it to his own head and later feeling like he had a martini. They hope to develop a sonogram-based device to treat mood disorders.

Read more wired.co.uk

via reddit.com

nOaW TIL playing Tetris after experiencing a traumatising event helps to prevent the development of traumatic memories, thus making flashbacks from PTSD much less severe
yQwy8 TIL Spirit Halloween, which is owned by Spencer's, runs over 1200 locations each year for 4-8 weeks. They spend the rest of the year scouting empty locations for the next Halloween season
4k8dR TIL that in the early days of crossword puzzles, the game became an object of cultural hysteria. Newspapers and magazines from the 1920's - 1930's warned of a “crossword craze” gripping the country’s minds. The trend was described as an “epidemic,” a “virulent plague,” and a “national menace.”
BdD TIL that the 2012 Olympics in London will be the first time that every nation will have at least one woman participating in the Games. Even Saudi Arabia is allowing women to participate.
dEdZ TIL that sheep commit mass suicide, the largest recorded instance was in 2005, in Turkey where 1,500 sheep followed each other over the edge of a cliff resulting in 450 deaths and approximately $100,000 in losses to the families who owned the sheeps