This image depicts the radium atom’s pear-shaped nucleus of protons and neutrons in the center, surrounded by a cloud of electrons (yellow), and an electron (yellow ball with arrow) that has a ...

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 ...

From left: UChicago chemists Mark Levin, Jisoo Woo, and Tyler Pearson discuss techniques to swap nitrogen atoms in molecules—a change often made by drug discovery chemists. Credit: Julia Driscoll For ...

Physicists at MIT have developed a new way to probe inside an atom's nucleus, using the atom's own electrons as "messengers" within a molecule. Subscribe to our newsletter for the latest sci-tech news ...

Inserting, removing or swapping individual atoms from the core of a molecule is a long-standing challenge in chemistry. This process, called skeletal editing, can dramatically speed up drug discovery ...

Ohio University physicist Saw Wai Hla and his colleagues were able to scan a single iron atom hidden amid a complex molecule, something that’s never been done with an X-ray before. Extremely powerful ...