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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

This animation explains the concept of biomes (major communities of organisms distributed over wide areas) and describes some of the biomes found around the world.

Thanks to the demands of eco-conscious consumers, biodegradable and compostable plastics are cropping up everywhere. Are these green plastics the solution to our throwaway lifestyle? Well, it’s complicated, as this video explains. Credit:…

This animation explains what a comet is and shows the different graphical distinctions of a comet with respect to its distance from the Sun

Yes, you read that correctly. Comets may have helped seed life on Earth. Far out, right? Sarah Everts of C&EN has the chemical clues that back up this out-of-this-world hypothesis. Credit: Reactions/American Chemical Society

How do astronauts survive the deadly radiation of deep space? NASA is still figuring out how to protect astronauts from cosmic radiation using plastic shielding and magnetic deflectors. Credit: Reactions/American Chemical Society

Online entrepreneurs may try to sell bottled human pheromones, but do these even exist? It's doubtful, according to this video. Credit: Reactions/American Chemical Society

This animation explains how seasons depend on the Earth's orbit and explains how the earth's orbital distance and axial tilt give rise to seasons.

This animation shows how eclipses occur when the Sun's rays are blocked.

This animation depicts how the solar system formed from a spinning disk of interstellar gas.