When surgeons dissect tissue to remove a tumor or make a repair, they must work cautiously, relying on electrophysical ...

The confluence of the 250th anniversary of the creation of the U.S. Army, President Donald Trump’s deployment of the California National Guard and the Marines to Los Angeles, and the ...

With the aid of a 3D printer, researchers at Uppsala University have succeeded in creating a model that resembles human nerve tissue. The model, which can be cultured from the patient’s own ...

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Use a compound microscope at 40X magnification to see stomata distribution and 400X magnification to see details of the guard cells and whether the stomata is open or closed.