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This animation describes how the technique of two-dimensional gel electrophoresis is used to separate mixtures of proteins inside a gel.

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

Throughout the history of science, many major discoveries came accidentally. Sometimes they came from recognizing potential in an unexpected product or waste. Other times, discovery came out of pure desperation from a seemingly dead-end…

Chemistry research usually involves precise measurements and careful testing in order to get significant results. Sometimes, however, notable discoveries happen by accident. In this video on accidental discoveries, you will get to know the…

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,…

Have you ever seen a foam cup appear to melt away in acetone? Foam cups, bowls, and containers are made of a lightweight but strong material called expanded polystyrene. How does acetone reduce this substance to a blob of goo? In this video,…

This animation shows how the hormone epinephrine causes liver cells to secrete glucose without crossing their cell membrane.

This animation explains how glucocorticoid hormones influence nutrient metabolism by altering gene expression in cells.

This animation explains how an electrical signal (action potential) stimulating skeletal muscle triggers changes that enable muscle contraction.

This animation explains the difference between addition mutations, in which nucleotides are added to DNA sequences, and deletion mutations, in which nucleotides are lost.