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Til about a dinosaur species Drinker nisti named for renowned palaeontologist Edward Drinker Cope.

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6JjZ TIL of Aphantasia, a condition where a person is unable to create imagery in their mind’s eye.
nBR9 TIL ancient Egypt was formed from the unification of Upper and Lower Egypt around 3000 BC, and the pharaohs wore a double-crown, with one half, the White Crown, representing Upper Egypt, and the other half, the Red Crown, representing Lower Egypt.
nW8Do TIL that the 1912 Stockholm Olympics was the last time winners received medals made of 100% solid gold. Ever since 1st place medals have been gold plated.
VMbvp TIL There is a gene mutation which gives almost complete protection against HIV. 1% of Caucasians have the mutation, but among the Ashkenazi Jews of Eastern Europe, the rate is as high as 15%.
8egXL TIL all the instruments on Mariah Carey’s All I Want For Christmas Is You are either programmed or from a synthesizer. Carey’s co-writer on the song, Walter Afanasieff originally had a live band do the instrumental but was unsatisfied with the result and redid it by himself.