Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. This is ...

It's a vital part of chemistry teachers' educational repertoire, as much as a scorched Bunsen burner or a sackful of safety goggles. With its array of digits and chemical abbreviations, it appears ...

Some years ago at the University of North Carolina at Chapel Hill, I taught a one-semester inorganic course for BS chemistry majors. During the class we covered all the noncarbon elements in a ...

Remember your periodic table from high school chemistry? As of Monday, it will look a little different. Four new elements have been added to the tail end of the familiar chart, completing the seventh ...

At the St. Andrews University in Scotland, England, the oldest " periodic table" in the world was discovered. A periodic table (element periodic table) in which elements with similar chemical ...

Two scientists in Moscow have proposed replacing the periodic table as the chief way to organize elements. Rather than ordering by atomic number (the number of protons in the nucleus) the chart lists ...

ACADEMICS claim to have found the world's oldest periodic table - after discovering the 134-year-old chart in a stash of old teaching equipment. The chart of elements, dating from 1885, was discovered ...

Every year, National Periodic Table Day is celebrated on February 7 since 2016 as a way to pay tribute to the chart. The periodic table is a tabular composition of chemical elements in accordance with ...