Houchin and his colleagues studied dozens of zircon crystals from the Jack Hills in Western Australia. These are the oldest ...

People with aphantasia are offering brain scientists a window into consciousness. This is an audio version of our Feature: Many people have no mental imagery. What’s going on in their brains?

Enzymes catalyze nearly all of the chemical reactions that occur in biological systems. Enzymes are generally proteins but also include catalytic DNA and catalytic RNA. As effective biological ...