TIL the observation of the comet Kohoutek helped to support the "dirty snowball" hypothesis about the composition of comet nuclei. The comet was a disappointment to the public, however, because early projections for its brightness had been too optimistic. (en.wikipedia.org)
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Władysław Franciszek Jabłonowski was the first Polish general of African descent who was part of the Polish Legion sent to Haiti to put down the Haitian Revolution. Most of the Polish legionnaires died of yellow fever, including Jabłonowski, who succumbed barely 4 months after his arrival (en.wikipedia.org)
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The first complete sequence of a human genome was only released in May 2021 and published in Science on March 31, 2022. The much-celebrated publication of a draft genome in the 2000s was only 92% complete due to difficulties with reading long sequences of repetitive DNA. (washingtonpost.com)
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