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Valley Networks Suggest Ancient Snowfall on Mars
July 23, 2013 — Researchers have shown that some Martian valleys appear to have been caused by runoff from orographic precipitation -- moisture carried part of the way up a mountain and deposited on the slopes. The ... > full story -
Harvesting Electricity from the Greenhouse Gas Carbon Dioxide
July 23, 2013 — A new method for producing electricity from carbon dioxide could be the start of a classic trash-to-treasure story for the troublesome greenhouse gas, scientists are reporting. The method uses CO2 ... > full story -
Why Are Sea Stars Dying from New Jersey to Maine? Divers Asked to Report Large Groupings of Starfish
July 23, 2013 — Marine biologists are working to identify the cause of a disease that is killing sea stars (starfish) from New Jersey to ... > full story -
Rapid Upper Ocean Warming Linked to Declining Aerosols
July 23, 2013 — Australian scientists have identified causes of a rapid warming in the upper subtropical oceans of the Southern ... > full story -
Hunting Pushing Central African Forests Toward Ecological Collapse
July 23, 2013 — Scientists have warned that current hunting trends in Central African forests could result in complete ecological ... > full story -
First High-Resolution National Carbon Map of Panama
July 22, 2013 — Researchers have for the first time mapped the above ground carbon density of an entire country in high fidelity. They integrated field data with satellite imagery and high-resolution airborne Light ... > full story -
Most Flammable Boreal Forests in North America Become More So
July 22, 2013 — A 2,000-square-kilometer zone in the Yukon Flats of interior Alaska -- one of the most flammable high-latitude regions of the world, according to scientists -- has seen a dramatic increase in both ... > full story -
Climate Forecasts Shown to Warn of Crop Failures
July 22, 2013 — Climate data can help predict some crop failures several months before harvest, according to a new study from an international team. Scientists found that in about one-third of global cropland, ... > full story -
Sea Level Rise: New Iceberg Theory Points to Areas at Risk of Rapid Disintegration
July 22, 2013 — In events that could exacerbate sea level rise over the coming decades, stretches of ice on the coasts of Antarctica and Greenland are at risk of rapidly cracking apart and falling into the ocean, ... > full story -
Declining Sea Ice Strands Baby Harp Seals
July 22, 2013 — Young harp seals off the eastern coast of Canada are at much higher risk of getting stranded than adult seals because of shrinking sea ice cover caused by recent warming in the North Atlantic, ... > full story
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