Posts Tagged ‘geoscience’
After collision, ‘Amasia’ supercontinent is born
YALE (US) — A new forecast for the formation of supercontinents predicts a far-future collision between America and Eurasia. Continue…
Thursday, February 9, 2012 15:01 - 0 Comments
Earth & Environment - Feb 8, 2012 15:47 - 2 Comments
Glaciers shed billions of tons, satellites show
U. COLORADO-BOULDER (US) — Ice caps and glaciers outside the regions of Greenland and Antarctica are shedding roughly 150 billion tons of ice annually. (more…)
Science & Technology - Jan 24, 2012 12:44 - 0 Comments
Icy microbes make case for life on Mars
PENN STATE (US) — The bottom of a glacier is not the most hospitable place on Earth, but at least two types of bacteria happily live there, according to researchers. (more…)
Earth & Environment - Jan 10, 2012 17:02 - 0 Comments
Gulf ‘swirl’ key to recovery after oil spill
UC SANTA BARBARA (US) — A new computer model shows how bacteria, topography, and water currents combined to remove methane and other chemicals from the Gulf of Mexico following the Deepwater Horizon oil spill in April 2010. (more…)
Top Stories - Jan 5, 2012 12:17 - 5 Comments
Computer model explains Titan mystery
CALTECH (US) — A new computer model may explain the mysterious polar lakes, rainstorms, and clouds on Titan, Saturn’s largest moon. (more…)
Earth & Environment - Dec 23, 2011 10:49 - 0 Comments
Oxygen levels fell in Ice Age oceans
MCGILL (CAN) — Data from the end of the last Ice Age confirm that a changing climate lowers the amount of oxygen in the water. (more…)
Earth & Environment - Dec 21, 2011 9:50 - 1 Comment
Tap runs dry as glaciers recede
MCGILL (CAN) — Glaciers are retreating at an unexpectedly fast rate, according to research in Peru’s Cordillera Blanca. (more…)
Science & Technology - Dec 14, 2011 20:21 - 1 Comment
‘Slam-dunk’ proof of water on Mars
CORNELL (US) — The discovery of a bright vein of gypsum in ancient rock proves that water once flowed underground on Mars, researchers say. (more…)
Earth & Environment - Dec 13, 2011 12:44 - 0 Comments
Snakes struggle to keep pace with climate
INDIANA U. (US) — Over the next century, the climate will change more than 100 times faster than the rate at which species can adapt, according to new research. (more…)
Earth & Environment - Dec 7, 2011 10:00 - 0 Comments
Carbon dioxide: The global heat dial?
PURDUE / YALE (US) — A drop in carbon dioxide appears to be the driving force that led to the Antarctic ice sheet’s formation, according to a recent study of molecules from ancient algae found in deep-sea core samples. (more…)
Earth & Environment - Dec 6, 2011 10:03 - 0 Comments
Earth’s oxygen came in ‘starts and stops’
PENN STATE (US) — The appearance of oxygen in the Earth’s atmosphere probably did not occur as a single event, according to an international team of researchers who investigated rock cores. (more…)
Earth & Environment - Dec 5, 2011 9:59 - 3 Comments
Opals leave radioactive waste inert
STANFORD (US) — Researchers are proposing the use of opal to sequester uranium at contaminated nuclear sites. (more…)
Earth & Environment - Dec 2, 2011 12:58 - 1 Comment
Ancient Andes suggest way to predict quakes
MONASH (AUS) — Scientists are a step closer to predicting when and where earthquakes will occur after taking a fresh look at the formation of the Andes, which began 45 million years ago. (more…)
Science & Technology - Nov 23, 2011 12:14 - 2 Comments
Evidence of ‘great lake’ on Jupiter’s moon
U. TEXAS-AUSTIN (US) — In the search for life beyond Earth, scientists have made a potentially significant finding: A body of liquid water the volume of the North American Great Lakes locked inside the icy shell of Jupiter’s moon Europa. (more…)
Earth & Environment - Nov 17, 2011 21:46 - 3 Comments
Day-to-day weather more erratic, extreme
PRINCETON (US) — The first climate study to focus on variations in daily weather conditions finds increasing extremes, with fluctuations in sunshine and rainfall affecting more than a third of the planet. (more…)
Earth & Environment - Nov 17, 2011 10:43 - 1 Comment
Polluted air makes droughts, floods worse
U. MARYLAND (US) — Rising air pollution can strongly affect cloud formation in a way that can make floods and droughts even worse, a new study finds. (more…)
Earth & Environment - Nov 16, 2011 13:03 - 4 Comments
Ancient landslide blocked California river
U. OREGON / CALTECH (US) — New evidence suggests a catastrophic landslide 22,500 years ago dammed the upper reaches of northern California’s Eel River and formed a now gone 30-mile-long lake. (more…)
Earth & Environment - Nov 10, 2011 15:46 - 0 Comments
Methane likely fueled Earth’s big warm-up
RICE (US) — New calculations suggest the release of massive amounts of carbon from methane hydrate frozen under the seafloor 56 million years ago likely led to a major climate shift on Earth. (more…)
Earth & Environment - Oct 28, 2011 9:45 - 0 Comments
Rare lava collected from under sea volcano
U. WASHINGTON-SEATTLE (US) — The first scientists to witness exploding rock and molten lava from a deep sea volcano in 2009 report that the eruption was near a tear in the Earth’s crust that is mimicking the birth of a subduction zone. (more…)
