The periodic table is a well-organized chart that contains all the known elements in the universe. These elements are ...

Editor’s note: This story is part of an occasional series, “Breaking Bread,” which explores the intersection of food, culture and business in the Pioneer Valley. We welcome suggestions on ...

The International Union of Pure and Applied Chemistry (Iupac) has updated the standard atomic weights of gadolinium, lutetium and zirconium following a detailed review of their isotopic abundances.