Smell of fear helps in cognition

The chemical warning signals produced by fear improve cognitive performance, a study at Rice University in Houston indicates.

Nano World: Superconducting wires

Nanotechnology could help enable the next generation of superconducting wires for everything from new city power grids to levitating trains, experts told UPI's Nano World.

Guides for teaching evolution

Some U.S. students are taking it upon themselves to wedge creationism into the classroom, sometimes with snide comments and sometimes with questions.