Last year, in July, Reine Protacio’s experiments suddenly stopped working. Every scientist encounters baffling results from time to time; you chalk it up to error, repeat the experiment, and hope for ...

The catalyst experiment always involves time-consuming and labor-intensive simple and repetitive work that extends into overtime and weekends. A remarkable breakthrough by a Korean research team has ...

Duane G. Watson is professor of cognitive science and of psychology and human development at Vanderbilt University, Nashville, Tennessee, USA. Samuel A. Mehr is a senior lecturer in psychology at the ...