A new animal study raises important questions about a little-known ingredient used in oral weight-loss medications. A pill ...

Almost half a century ago, a remarkable molecule called metallocene took center stage in chemistry, earning Geoffrey Wilkinson and Ernst Otto Fischer the Nobel Prize. These organic compounds, made of ...

The Schrödinger equation rewrote the rules of matter and forever changed the field of chemistry. Donald Truhlar, a chemist at the University of Minnesota, calls it the “greatest advance of the 20th ...

European leaders have concluded that the Russian politician Alexei Navalny died in a Russian prison in 2024 because he “was poisoned with a lethal toxin,” epibatidine.

Methylcobalamin is a natural form of vitamin B12 found in foods like meat and eggs. Cyanocobalamin is a synthetic form of B12 often used in supplements because it's cheaper. Both forms of B12 help ...