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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

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.

April 22, 2015 was the 100th anniversary of the first large-scale use of chemical weapons in modern warfare. Some of the best minds in chemistry at that time, including a Nobel Prize winner, used their knowledge of science to build humanity’s…

Best-selling author Sam Kean debunks the myth of the Megalodon, the 50-foot super shark that, despite what you may have read, is long extinct. In this video, Kean unravels the myth by explaining how the element manganese holds the key.…

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.

Nerve agents have a surprising history, and it’s just as morbid as you might expect. Although they were not invented as chemical weapons, nerve agents such as sarin have been in use since World War I, and unfortunately are still in use…

If there’s one man in Hollywood who knows the value of chemistry, it’s Michael Bay. He’s taught society that, in the face of a half-baked plot and thin script, big-budget explosions can cause box office success. This video explains the…