The periodic table is one of the triumphs of science. Even before certain elements had been discovered, this chart could successfully predict their masses, densities, how they would link up with other ...

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 ...

Earlier theories had forecast an appreciable drop in the reaction probability at low temperatures, but we could not confirm this either in the experiment or in new calculations by our colleagues on ...

Morphine is one of the most famous natural products in the world and the progenitor of many semisynthetic opioids, such as heroin and oxycodone, as well as the overdose-reversing drug naloxone. Most ...