18/11/2008

'Enlightened' Atoms Stage Nano-Riot Against Uniformity

(PhysOrg.com) -- When atoms in a crystal are struck by laser light, their electrons, excited by the light, typically begin moving back and forth together in a regular pattern, resembling nanoscale soldiers marching in a lockstep ...

Researchers Shed Light on Evolution of Gene Regulation

(PhysOrg.com) -- Scientists at Penn State have shed light on some of the processes that regulate genes -- such as the processes that ensure that proteins are produced at the correct time, place, and amount in an organism ...

Nontoxic nanoparticle can deliver and track drugs

A nontoxic nanoparticle developed by Penn State researchers is proving to be an all-around effective delivery system for both therapeutic drugs and the fluorescent dyes that can track their delivery.

Carbon dioxide already in danger zone, warns study

A group of 10 prominent scientists says that the level of globe-warming carbon dioxide in the air has probably already reached a point where world climate will change disastrously unless the level can be reduced in coming ...

page 2 from 6