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TIL that pigeons can be trained to differentiate between benign and malignant breast cancers almost as well as the most practiced human consultants

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5joB TIL of “Anting” a behaviour in which birds rub insects (usually ants) on their feathers and skin. The insects secrete liquids containing chemicals such as formic acid, which can act as an insecticide, miticide, fungicide, or bactericide.
yQVr8 TIL of the Gävle goat- a giant straw goat display that has been built in the Swedish town of Gävle every year since 1966 in anticipation of Christmas. It's been destroyed a total 36 of those years. It will be back this year on December 2nd.
a8NXZ TIL that heartbreak can cause physical discomfort and nausea, likely due to our "social-attachment system" triggering the "pain system" to maintain close social bonds, leading to distress when those bonds are broken.
epgVk TIL That the "D" in D-Day simply stands for "Day". Meaning it's actually short for Day-Day.
5Y98k TIL that in January 2014, seven-year-old Charlotte Benjamin sent a handwritten letter to Lego complaining there were "more Lego boy people and barely any Lego girls". In June 2014, Lego announced a new "Research Institute" collection featuring female scientists which sold out within a week.