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Fire and Ice: Wildfires Darkening Greenland Snowpack, Increasing Melting
December 5, 2012 — Satellite observations have revealed the first direct evidence of smoke from Arctic wildfires drifting over the Greenland ice sheet, tarnishing the ice with soot and making it more likely to melt ... > full story -
Africa's Homo Sapiens Were the First Techies
December 5, 2012 — The search for the origin of modern human behavior and technological advancement among our ancestors in southern Africa some 70,000 years ago has taken a step closer to firmly establishing Africa, ... > full story -
Great-Earthquake Hot Spots Pinpointed
December 5, 2012 — The world's largest earthquakes occur at subduction zones – locations where a tectonic plate slips under another. But where along these extended subduction areas are great earthquakes most ... > full story -
Oceanography Student Uses Crashing Waves on Shorelines to Study Earth's Interior
December 5, 2012 — Scientists have long used the speed of seismic waves traveling through the Earth as a means of learning about the geologic structure beneath the Earth's surface, but the seismic waves they use have ... > full story -
Seeing Stars, Finding Nukes: Radio Telescopes Can Spot Clandestine Nuclear Tests
December 5, 2012 — In the search for rogue nukes, researchers have discovered an unlikely tool: astronomical radio telescopes. Researchers from the same university previously demonstrated another unlikely tool, when ... > full story -
National Geographic Unveils New Phase of Genographic Project
December 5, 2012 — The National Geographic Society has announced the next phase of its Genographic Project -- the multiyear global research initiative that uses DNA to map the history of human migration. Building on ... > full story -
Weather and Ice Data Help Secure Winter Shipping in the Arctic
December 5, 2012 — Climate change brings changes to the Arctic region. The opening of new shipping routes creates needs for weather and marine safety services. Jouni Vainio, Senior Ice Expert at the Finnish ... > full story -
Gulf Oil Spill: Oil-Dispersing Chemicals Had Little Effect on Oil Surfacing, According to New Study
December 4, 2012 — A new study examined the effects of the use of unprecedented quantities of synthetic dispersants on the distribution of an oil mass in the water column. Scientists developed and tested models to show ... > full story -
African Savannah -- And Its Lions -- Declining at Alarming Rates
December 4, 2012 — About 75 percent of Africa's savannahs and more than two-thirds of the lion population once estimated to live there have disappeared in the last 50 years, according to a new ... > full storyMore: -
Researchers Debut Revolutionary Biosphere Mapping Capability
December 4, 2012 — Researchers from the Carnegie Institution are rolling out results from the new Airborne Taxonomic Mapping System, or AToMS, for the first time at the American Geophysical Union meetings in San ... > full story
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