A few weeks ago I explained how five chemical elements came to be named for Greek and Roman gods. Let’s feast again at the periodic table and discover the mythological origins of five more elements.

The rare radioactive substance made its way from the United States to Russia on a commercial flight in June 2009. Customs officers balked at accepting the package, which was ensconced in lead ...

The modern periodic table, arranged in rows and columns, was first introduced by Dmitri Mendeleev in 1869. At the time, it included the known elements and their properties, but Mendeleev predicted ...