Robert Hooke's drawing of cells in cork, 1665 In 1665, Robert Hooke examined a skinny slice of cork less than his microscope, and saw a framework of compact enclosures. He wrote "I could exceeding plainly understand it to generally be all perforated and porous, very like a Honey-comb, but the https://g.page/r/Ccsd-yw3vSInEBM