Visualizing atomic-scale acoustic wavesin nanostructures

Acoustic waves play many everyday roles - from communication between people to ultrasound imaging. Now the highest frequency acoustic waves in materials, with nearly atomic-scale wavelengths, promise to be useful probes of ...

New study points to agriculture in frog sexual abnormalities

A farm irrigation canal would seem a healthier place for toads than a ditch by a supermarket parking lot. But University of Florida scientists have found the opposite is true. In a study with wide implications for a longstanding ...

Probing Question: What is the history of tattooing?

You might not think the sullen, tattooed teenager skulking around your local record store has anything in common with Winston Churchill, but you would be wrong. Sir Winston, King George V, and the slaves of ancient Greece ...

Coffee Grounds Perk up Compost Pile With Nitrogen

Coffee grounds can be an excellent addition to a compost pile. The grounds are relatively rich in nitrogen, providing bacteria the energy they need to turn organic matter into compost.

Prevalence of religious congregations affects mortality rates

LSU associate professor of sociology Troy C. Blanchard recently found that a community's religious environment – that is, the type of religious congregations within a locale – affects mortality rates, often in a positive ...

Acidifying oceans add urgency to CO2 cuts

It's not just about climate change anymore. Besides loading the atmosphere with heat-trapping greenhouse gases, human emissions of carbon dioxide have also begun to alter the chemistry of the ocean—often called the cradle ...

Mercury's surface dominated by volcanism and iron-deficiency

Volcanism has played a more extensive role in shaping the surface of Mercury than scientists had thought. This result comes from multispectral imaging data gathered in January 2008 by MESSENGER, the latest spacecraft to visit ...

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