We often learn something new from studying something old. More than 150 years before Mark Zuckerberg used the term the “social graph” to describe your network of connections on Facebook, a ...

Chemists use symbols and formulae to represent elements and compounds. Word equations and balanced chemical equations represent the changes that happen in chemical reactions. Mixtures - AQA There ...

Olival Freire Jr is a professor of physics and the history of physics at the Federal University of Bahia, Brazil. What makes matter stable? Why are atoms as they are? Why do different materials ...

In 1869, Mendeleev's first periodic table did not include them, as closed-shell elements remained undiscovered until Lord Rayleigh and William Ramsey isolated argon in 1894.

After a year of fastidious planning, a microscopic sample of the ultra-rare radioactive element berkelium arrived at a ...

Unlike other elements reportedly gathered by Lidden, the plutonium sparked a major hazmat alert, requiring a response from the Australian Border Force (ABF) officials, firefighters, and police. He and ...

The pioneering nuclear chemist Glenn Seaborg discovered berkelium at Berkeley Lab in 1949. It was one of many achievements ...

Chef’s Table believes there’s more to know about José Andrés, Thomas Keller, Jamie Oliver and Alice Waters. To mark its 10-year anniversary, the Netflix docuseries has turned its lens on ...