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Cells are the smallest units of life. But even within the same tissue or organ, they are not all identical. New variations ...

Let's take a look at how to observe cells under a microscope ... on the slide and stick it on the microscope. Go find those animal cells! Unlike the plant cells, animal cells are soft and fleshy.

and plant biologists delight in reminding others of these plant-derived breakthroughs. The first cell observed under a microscope, back in the mid-1660s by physicist Robert Hooke, was a plant cell in ...

Coral cells contain dense populations of microalgae that provide them with nutrients (pictured here under a microscope). When faced with hot water temperatures and low iron levels, these symbiotic ...