The advance provides evidence to support a controversial idea, called multiple-exciton generation (MEG), which theorizes that it is possible for an electron that has absorbed light energy, called an exciton, to transfer that energy to more than one electron, resulting in more electricity from the same amount of absorbed light.

FORBES: Using Quantum Dots to Make Solar Panels More Efficient

Nikonov said Russia's response might be to put multiple warheads on its newest generation of strategic missiles.

CNN: Bush to quit ABM treaty Thursday

The constant threat of IEDs has meant a new generation of service members with multiple traumatic injuries, including Traumatic Brain Injury.

WHITEHOUSE: President Obama at the American Legion Conference