Explore the shape, structure, and movement of red blood cells under the microscope in this fascinating science clip.

Let's take a look at how to observe cells under a microscope. No prizes for guessing the first thing you'll need: a microscope. But don't worry if you don't have one of your own. Ask your school if ...

The world around you contains hidden universes of breathtaking complexity and alien beauty. Every grain of salt, every strand of hair, and every drop of pond water harbors microscopic landscapes that ...