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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.

When it’s time to vote on Election Day, how do you decide on a candidate? In this video, neuroscientist Michael Shadlen explains how our brains secretly do math in order to make decisions. Credit: Columbia University’s Zuckerman Institute

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

This animation explains what a cylcoid is and shows how the size of a cycloid relates to the size of the rolling circle that generates it.

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 that fractals are self-similar geometrical objects at different scales and magnifications and shows how fractals can be generated by applying simple mathematical rules repetitively.

If you’ve eaten food today that has at least one ingredient that was farmed, you probably owe some thanks to earthworms. How do these lowly invertebrates turn what humans find inedible into beloved compost? Earthworms have an extra enzyme…

Many people have done it, but few admit to it. This video explains why, from an environmental perspective, it is absolutely acceptable to urinate in the ocean. (Correction: At 1:50, the narration and text should read "250 gallons," not…