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Sharpest Needle

August 30, 2006

What qualifies something as the sharpest object in the world?

August 29, 2006

Crops will fare poorly in a future with more carbon dioxide, a study suggests.

August 28, 2006

Men's vocal inflections indicate whether they're up for a fight.

August 25, 2006

The mosquito's love song, putting highway surveillance cameras to a medical use, behind the obesity …

August 25, 2006

Highway surveillance cameras are not just for giving tickets anymore. Now they're helping car …

August 24, 2006

Scientists are developing a vaccine to curb our expanding waistlines.

August 23, 2006

The 9/11 disaster has had lasting effects on rescuers' lungs.

August 22, 2006

A listener asks a question about the physics of an everyday thing: candy wrappers.

August 21, 2006

The facts of life are often discussed in terms of the birds and the bees. But what about the …

August 18, 2006

Testing the age of your organs, the reliability of home genetic tests, a medical use for radioactive …

August 11, 2006

Cars that communicate with each other, reasons to get rid of the penny, improving the information in …

August 4, 2006

An evolutionary reason for morning sickness, fibers that act as eyes, a South American culture that …