11/03/2008

Mini-Donut Catches Chloride Ions

Ions—charged atoms or molecules—play an important role in nature, in our bodies as well as for science and technology. It is often necessary to trap, remove, mask, stabilize, or transport ions, whether in the body or ...

Harlequin frog rediscovered in remote region of Colombia

After 14 years without having been seen, several young scientists supported by the Conservation Leadership Programme (CLP), have rediscovered the Carrikeri Harlequin Frog (Atelopus carrikeri) in a remote mountainous region ...

Camera can see through clothing

Developers of a specialized camera that can help police detect weapons and drugs under clothing say they will show it off in England this week.

Policing cells demand ID to tell friend from foe

University of Pennsylvania scientists studying macrophages, the biological cells that spring from white blood cells to eat and destroy foreign or dying cells, have discovered how these “policemen” differentiate between ...

page 1 from 4