ISS crew begins robotics proficiency work

The International Space Station's Expedition 14 Cmdr. Michael Lopez-Alegria has started several days of robotics proficiency work.

Officials seek cause of reactor shutdown

Authorities are investigating the cause of the nuclear reactor shutdown at Three Mile Island near Harrisburg, Pa., although no radiation leaked in the incident.

Salt could cool cores of advanced nuclear reactors

The water in a conventional nuclear reactor cools the core, but a graduate student at the University of Missouri-Rolla says salt would be a better alternative in some advanced reactor designs.

Researcher shows that DNA gets kinky easily at the nanoscale

Scientists have answered a long-standing molecular stumper regarding DNA: How can parts of such a rigid molecule bend and coil without requiring large amounts of force? According to a team of researchers from the United States ...

Floating and spiky

With the aid of complex computer simulations, scientists at the Max Planck Institute of Colloids and Interfaces in Potsdam and at the University of Heidelberg have discovered how the shape and distribution of certain sticky ...

Beetle feet stick to their promises

Mushroom-shaped microhairs are the secret of a new adhesive material which scientists at the Max Planck Institute for Metals Research in Stuttgart, Germany, have developed. Inspired by the soles of beetles' feet, and therefore ...