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This animation explains how a material's chemical composition affects the wavelengths of light it absorbs and the color it displays.

Unlike its name, Bicycle Day is not a holiday honoring your favorite two-wheeled, environmentally friendly vehicle. This holiday celebrates the day chemist Albert Hofmann first discovered the psychedelic effects of lysergic acid diethylamide,…

This animation explains the difference between the alpha particles, beta particles, and gamma rays emitted by various radioactive materials.

Have you ever wished you could hide under an invisibility cloak, like Harry Potter did? This video explores the science behind light, sight, and invisibility. Though we can’t make ourselves invisible yet, some promising research may light the…

Helium has helped create revolutionary scientific innovations, and has industrial uses that simply cannot be replicated. Yet helium—a gas that defies gravity—is constantly being lost as it escapes Earth’s atmosphere into space. This video…

Vanilla is a flavor so common that some people use it as an adjective to describe something plain or ordinary. But watch out! This beloved, flavorful bean may soon become a rarity. Credit: Reactions/American Chemical Society

Neuroengineer Nima Mesgarani is using a form of artificial intelligence called neural network models to a develop improved hearing aids. If successful, hearing impaired individuals will be better able to identify and focus on a speaker of…

Cryogenic freezing of a dead body is possible, but reanimating that body in the future is a different story. As you will see in this video, cells themselves can be reanimated after freezing, but bringing a human back to life is not so…

This animation shows how a nuclear chain reaction works and explains how it is used in nuclear fission devices.

This animation shows how chaotic systems are unpredictable because of their extreme sensitivity to their initial conditions.