Physics Nov 20
Physics
Pop the top off a can of mixed nuts and, chances are, Brazil nuts will be at the top. This phenomenon, of large particles tending to rise to the top of mixtures while small particles tend to sink down, is popularly known as the "Brazil nut effect" and more technically as granular segregation.
Physics Nov 20
Physics

The team demonstrates that using their "designer" quantum dots, they can achieve light amplification in a nanocrystal solid with direct-current electrical pumping.

Earth Sciences Nov 20
Earth Sciences

Scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) spent a decade developing world-class modeling and monitoring capabilities to pinpoint factors behind the success of Sonoma's riverbank filtration system.

Life Sciences Nov 20
Life Sciences

After a flu virus infects a host cell and hijacks its inner workings to create copies of itself, these copies gather into viral buds that break free from the host cell to infect again.

Sport Sciences Nov 20
Sport Sciences

A video game that enables healthy volunteers to play with patients who have physical impairments may improve their rehabilitation, suggests study.