When Dimitri Mendeleev published the first periodic table 150 years ago, only about half as many elements were known as today. Over the ensuing decades, researchers have added new names to the chart, ...

Six atoms may seem minuscule–especially if they exist for only fractions of a second–but they can have huge implications. The recent announcement that Russian and American scientists finally managed ...

The chart was hidden amongst a trove of rolled-up papers in the school's chemistry building Courtesy of the University of St. Andrews A periodic table unearthed during routine storage cleaning at ...