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"content": "Dutch microbiologist \u0026 microscopist Antoni van Leeuwenhoek was born #OTD in 1632.\n\nUsing single-lensed microscopes of his own design and make, he was the 1st to observe \u0026 to experiment with microbes, which he originally referred to as dierkens, diertgens or diertjes.\n\nHe was also the first to document microscopic observations of muscle fibers, bacteria, spermatozoa, red blood cells, crystals in gouty tophi, \u0026 among the first to see blood flow in capillaries. nostr:npub1kvnpp3m60derhwpqwc09zhk3ehk48tr6agc6dk9z2vggu9sga28qpxhm73 \n\nhttps://www.gutenberg.org/ebooks/author/8336\n\nhttps://files.mastodon.social/media_attachments/files/111/289/685/031/394/349/original/ef53c5b877a94d91.png\n\nhttps://files.mastodon.social/media_attachments/files/111/289/697/134/724/366/original/1f522b44e8b6f72e.jpg",
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