How ammonia affects city's air

(PhysOrg.com) -- Motor vehicles and industry are primary producers of ammonia in Houston's atmosphere, and cars and trucks appear to boost their output during the winter, according to a new study by researchers at Rice University ...

Trace element plays major role in tropical forest nitrogen cycle

A new paper by researchers from the University of Georgia and Princeton University sheds light on the critical part played by a little-studied element, molybdenum, in the nutrient cycles of tropical forests. Understanding ...

Iron deficiency restrains marine microbes

Iron is a critical nutrient in the ocean. Its importance for algae and the nitrogen cycle has already been investigated in detail. Now, a new discovery shows that microbes also need iron to process phosphorus. A team of researchers ...

Yellowstone Lake ice cover unchanged despite warming climate

The length of time that Yellowstone Lake is covered by ice each year has not changed in the past century, despite warming temperatures in the region, according to new research led by University of Wyoming scientists.

Soil biology research can help create a more sustainable future

Soils are home to more than 25 percent of the earth's total biodiversity, supporting life on land and water, nutrient cycling and retention, food production, pollution remediation and climate regulation. Scientists have found ...

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