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TIL Until 2010, blood donors in Ireland were given a free pint of Guinness to restore their iron deficiency, as the beer contains high levels of iron; vitamin B; and calcium.

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XN1P TIL of an Australian cardiologist that travels around Australia in a semi-trailer turned specialist medical clinic, delivering specialist services to the most out of reach rural citizens of the country who would otherwise be unable to receive such services, all without any government funding.
Bgdxy TIL about the Brocken spectre, the shaddowy figure that appears when a low sun is behind a climber who is looking downwards into mist from a ridge or peak
1Rg7 TIL that the “sleep” in your eyes when you wake up helps seal your eyes in an air tight fashion when they are closed; prevents tears from spilling onto your cheeks; and helps keep tears that coat your eyes from evaporating.
ylEv TIL that in 1982, the arcade video game industry’s revenue in quarters was estimated at $8 billion(equivalent to $18.87 billion in 2012), more then the annual gross revenue of both music ($4 billion) and Hollywood films ($3 billion) combined that year.
GVO7 TIL a month before FDR’s taking of office, a mentally ill man attempted to assassinate Roosevelt, instead killing Anton Cermak, the Mayor of Chicago, and wounding four others. On his ride to the hospital, Cermak allegedly said to FDR, “I’m glad it was me instead of you.”