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Hans and Zacharias Janssen Invented the Microscope
Made the first microscope fully extended zooms 9x -
Anton van Leeuwenhoek
discovered bacteria, free-living and parasitic microscopic protists, sperm cells, blood cells, microscopic nematodes and rotifers, and much more. -
Robert Hook sees stem cells
First to see cork cells through cork -
Theodor Schwann
He discovered the digestive enzyme Eric Weisstein's World of Chemistry pepsin in 1836. Pepsin is an enzyme whose zymogen (pepsinogen) is released by the chief cells in the stomach and that degrades food proteins into peptides. -
Rudolph Virchow
Discovered that cells come from each other -
CELL VIDEO
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Making kindeys
[Investigators](www.sciencedaily.com/releases/2015/10/151016142633.htm) Using stem cells to grow kidneys in the lab -
Stem cell Breakthrough
Making stem cells with skin cells without using embryonic cells -
Microscope
