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Bacteria under the Microscope (E. coli and S. aureus)

Bacteria species E. coli and S. aureus under the microscope with different magnifications. Bacteria are among the smallest, simplest and most ancient living organisms. They are found in every single environment, inside and outside of plants and animals. They are so small that a small drop of water can contain millions of bacteria cells. While some species can make you sick, some are actually beneficial to humans and can help prevent infection, allergies, help with digestion and produce nutrients in our stomach and intestines. Some actually produce antibiotics that we can use against other bacteria! The magnification of each shot is shown in the bottom right hand corner.