View through the eyepiece of a dissecting microscope showing a group of 25 N. stella foraminifera. Foraminifer are extremely abundant on Earth. Most are only about 300 microns in diameter. Disclaimer: ...

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Pistachios, with the greenish hull still on them, are placed on a dissecting microscope to observe the different layers of the hull. Credit must be given to the creator. Only noncommercial uses of the ...