These are microscopic glass art pieces from Mother Nature. And I have to say; she is the best artist ever! . Diatoms are single-celled organisms, they produce oxygen during photosynthesis, and there are trillions of them in the oceans, soil, and everywhere there is water. They may be microscopic, but what they generate the oxygen for every fifth breath we take. . Diatom cell walls are made of literal glass, and each species has a unique cell wall structure. Inside this cell wall, you can see som