Engraving of a flea in Micrographia, 1665, by Robert Hooke.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Engraving of a flea in Micrographia, 1665, by Robert Hooke. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Engraving of a flea in Micrographia, 1665, by Robert Hooke. Wellcome Collection. Source: Wellcome Collection.