Study: Crystal removes arsenic cheaply

A common rust-like crystal may offer an inexpensive way to rid drinking water of hazardous levels of arsenic, Rice University researchers in Houston said.

More gator complaints may mean rule change

Increased complaints about alligators encroaching on human activities prompted Florida officials to consider easing rules for trapping and killing the animals.

Peatlands disappearance of concern

A report released Friday at a U.N. conference in Kenya indicates clearing peat lands threatens the world's ability to reduce carbon dioxide in the atmosphere.

Please Exhale: Quick and Easy Breath Analysis

When we drink alcohol, its “flag” precedes us, and enjoyment of large amounts of garlic or onion can often be detected by others the next morning. However, our breath does not only betray what we have consumed; some diseases ...

Raiding for women in the pre-Hispanic Southwest?

An important new archaeological study from the December issue of Current Anthropology is the first to document interregional movement of women in the pre-Hispanic Southwest. Using an analysis of grave sites, the researchers ...

Cloudy day won't rain on laser communications

Just as clouds block the sun, they interfere with laser communications systems, but Penn State researchers are using a combination of computational methods to find the silver lining and punch through the clouds.