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NASA's Aquarius Sees Salty Shifts
February 27, 2013 — Colorful new images chronicle the seasonal stirrings of our salty world: Pulses of freshwater gush from the Amazon River's mouth; an invisible seam divides the salty Arabian Sea from the fresher ... > full story -
Key Component of China's Pollution Problem: Scale of Nitrogen's Effect on People and Ecosystems Revealed
February 26, 2013 — It's no secret that China is faced with some of the world's worst pollution. Until now, however, information on the magnitude, scope and impacts of a major contributor to that pollution -- ... > full story -
Maize in Diets of People in Coastal Peru Dates to 5,000 Years Ago
February 25, 2013 — Scientists have concluded that during the Late Archaic, maize (corn) was a primary component in the diet of people living in the Norte Chico region of Peru, an area of remarkable cultural florescence ... > full story -
Childhood Blood Lead Levels Rise and Fall With Exposure to Airborne Dust in Urban Areas
February 25, 2013 — A new nine-year study of more than 367,000 children in Detroit supports the idea that a mysterious seasonal fluctuation in blood lead levels -- observed in urban areas throughout the United States ... > full story -
Climate Change Effect on Plant Communities Is Buffered by Large Herbivores, New Research Suggests
February 19, 2013 — Can existing ecological communities persist intact as temperatures rise? A news study suggests that the answer to this question may have as much to do with the biological interactions that shape ... > full story -
Key to Cleaner Environment May Be Right Beneath Our Feet
February 17, 2013 — While many people recognize that clean water and air are signs of a healthy ecosystem, most do not realize that a critical part of the environment is right beneath their feet, according to a ... > full story -
Scientists Explore New Technologies That Remove Atmospheric Carbon Dioxide
February 17, 2013 — Reducing carbon dioxide emissions may not be enough to curb global warming, say scientists. The solution could require carbon-negative technologies that actually remove large amounts of ... > full story -
Marsh Plants Actively Engineer Their Landscape
February 13, 2013 — Marsh plants, far from being passive wallflowers, are "secret gardeners" that actively engineer their landscape to increase their species' odds of survival, say ... > full story -
Wetland Trees a Significant Overlooked Source of Methane
February 13, 2013 — Wetland trees are a significant overlooked source of the potent greenhouse gas methane, according to a new study. The study may help to resolve an ongoing controversy about the origins of methane in ... > full story -
Low-Arsenic Rice Discovered in Bangladesh Could Have Major Health Benefits
February 12, 2013 — Scientists have identified aromatic rice with very low arsenic content and higher concentrations of essential nutrients, selenium and ... > full story
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