Which compound microscope is best? Anybody who is into science has probably thought about getting a microscope. But with so many different types available, it can be overwhelming to decide on the ...

Fundamentally, a microscope comprises two subsystems: an illumination system to illuminate the sample and an imaging system that produces a magnified image of the light that has interacted with the ...

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Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. The new microscope uses a 405 nm laser—the same wavelength ...

To ensure our bodies function correctly, the cells that compose them must operate properly. Imagine a cell as a bustling city where tiny parts called organelles move, reorganize, and respond to ...

A picture may be worth a thousand words, but the inverse is also true: A word is worth a thousand pictures. If I say “bear,” you might picture a grizzly or a black bear, a polar bear, a panda bear, a ...