Toward the right side of the periodic table below oxygen, are the chalcogens, or "ore-forming" elements. The chalcogens that ...

Analyses of 3.5-billion-year-old rocks from Australia indicate that some of the microorganisms living when those rocks formed were able to derive energy from sulfur, the first time such a metabolic ...

Toward the right side of the periodic table below oxygen you'll find the chalcogens, or "ore-forming" elements. The ...

Jennifer Rampling is assistant professor of history at Princeton University in New Jersey, where she teaches the history of early modern science. More than two millennia before the periodic table was ...