A few years ago, a group of physicists created an unusual, never-before-seen subatomic particle. Using a particle accelerator at Riken, a Japanese research institute, they slammed streams of calcium ...

In this video excerpt from NOVA's "Hunting the Elements," New York Times technology columnist David Pogue investigates chemical reactions involving sodium. Find out how the electron configuration of ...

A new study has revealed the chemical bonding behind sodium's high-pressure transformation from shiny metal to transparent insulator. Travel deep enough below Earth's surface or inside the center of ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

The news broke that a railroad car, loaded with pure sodium, had just derailed and was spilling its contents. A television reporter called me for an explanation of why firefighters were not allowed to ...

Lithium solved a very real problem, offering energy density high enough to make modern portable electronics and electric ...

Travel deep enough below Earth’s surface or inside the center of the Sun, and matter changes on an atomic level. The mounting pressure within stars and planets can cause metals to become nonconducting ...