14/12/2005

New technique helps researchers determine amino-acid charge

Measurements of the ion-current through the open state of a membrane-protein's ion channel have allowed scientists at the University of Illinois at Urbana-Champaign to obtain a detailed picture of the effect of the protein ...

Electronic nose sniffs out false alarms

An electronic nose is so sensitive that it can distinguish between cigarette smoke and smoke from an office or factory fire. Developed by a European research consortium the device will help to end the vast number of false ...

Ancient glaciers still affect the shape of North America

Long after the disappearance of the glaciers that once covered much of North America, the land they rested upon is still recovering from their weight - and the slow movement of this recovery includes horizontal motion never ...

Astronomers link old stars and mysterious cosmic explosions

Cosmic gamma-ray bursts, the most powerful explosions in the universe, have the extreme brilliance of a billion billion Suns and occur several times a day. But they are not all created equal. For several decades astronomers ...

The Web: Feds flop at stopping spam

The Federal Trade Commission is expected shortly to issue a report on the effectiveness of the CAN-SPAM Act, passed by Congress to combat unsolicited junk e-mail, but experts tell United Press International's The Web ahead ...

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