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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…

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

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…

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

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.

This animation explains Kepler's first law of planetary motion and demonstrates a planet's elliptical orbit around the Sun.