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Sound Tripwire

July 18, 2007

A new kind of tripwire uses sound instead of string or laser beams.

July 4, 2007

Listening to muscles could help monitor and diagnose problems.

May 2, 2007

Lawns on other worlds might not be green, but black, red, or orange.

April 24, 2007

Pollution from cities could dry out nearby mountains.

April 23, 2007

Devices called fabricators are making the leap from factories to homes.

February 27, 2007

A listener asks: Why does each half of the brain control the opposite side of the body?

February 26, 2007

Ultrasound could help tell expensive wood from cheap.

February 19, 2007

A new drug may work by silencing the genes of viruses and other disease-causing agents.

February 5, 2007

A recent study suggests that climate change helped do in two ancient civilizations.

February 1, 2007

New research in animals suggests that a common virus may play a role in Alzheimer's.

January 29, 2007

An astrobiologist posits that we haven't found life on Mars because we haven't been looking for the …