TIL that the discovery of viruses started from a mysterious disease that affected tobacco crops in the Netherlands at the end of 1800s. A Dutch microbiologist named Beijerinck proved that filtrated sap from plants was still infectious, and called it “contagious, living fluid”.

Read more: https://www.smithsonianmag.com/science-nature/what-are-viruses-history-tobacco-mosaic-disease-180974480/

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  1. Viruses are fucking weird. They literally can’t reproduce without the right sort of host. Everything else, bacteria, fungi, etc, they reproduce on their own. They are fully functional organisms.

    Not viruses. All they do is trick the host cells into making new viruses. Completely bizarre.

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