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Are you breathing air molecules that were once exhaled by Caesar, Joan of Arc, or Madame Curie? Why did Albert Einstein try to break into the refrigerator business? In this video, writer Sam Kean, author of science books "Caesar’s Last…

This animation shows how a barometer measures atmospheric pressure.

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…

Some ice burns because it’s actually methane trapped in water. This video discusses the chemistry of methane hydrates as a source of energy and a climate change threat. Credit: Reactions/American Chemical Society

When temperatures fall along with snow, you know you're in the middle of winter. This video has seasonal advice on keeping your windshield fog-free, getting unstuck from the snow, and even how to make your own hand warmer. [Credit:…

This video tracks the formation of snowflakes from their origins in bits of dust in clouds that become droplets of water falling to Earth. As each snowflake rises and falls through warmer and cooler air, it develops its own distinctive shape.…

This video takes science to the skies and checks out the chemistry behind chemtrails, or—more accurately—contrails. It’s easy to look at the white trail behind a jet aircraft and imagine all manner of chemicals raining down from above.…

This animation explains how a compact disk stores recorded information.

Joe DeSimone cofounded a company called Carbon (formerly Carbon3D) to bring chemistry to bear on 3D printing. This video shows how Joe enabled the company to print at unprecedented speeds, and churn out materials that have never been printed…

This animation explains continental drift and shows how continents on moving tectonic plates drift slowly across the Earth's surface.