News tagged with geoscientist

Scientists Return from Expedition to Drill Beneath Frozen Russian Lake

Space & Earth / Earth Sciences

May 28, 2009 | 4.7 / 5 (7) | 0

(PhysOrg.com) -- A team of scientists from the United States, Germany, Russia and Austria has just returned from a six-month drilling expedition to a frozen lake in Siberia: Lake El'gygytgyn, "Lake E" for ...

Ocean's journey towards the center of the Earth

Space & Earth / Earth Sciences

Mar 05, 2009 | 4.5 / 5 (10) | 2

A Monash geoscientist and a team of international researchers have discovered the existence of an ocean floor was destroyed 50 to 20 million years ago, proving that New Caledonia and New Zealand are geographically ...

Stalagmites in Northeast Brazilian Caves Confirm 9,000-Year Model of Diminishing Rainfall

Space & Earth / Earth Sciences

Feb 25, 2009 | 4.8 / 5 (4) | 0

(PhysOrg.com) -- Until recently, researchers studying climate history in Brazil’s dry Nordeste region expected it to have wet and dry periods similar to the rest of South America. But over the past 9,000 years, ...

Are the Alps growing or shrinking?

Space & Earth / Earth Sciences

Nov 05, 2009 | 2 / 5 (1) | 0

The Alps are growing just as quickly in height, as they are shrinking. This paradoxical result could be proven by a group of German and Swiss geoscientists. Due to glaciers and rivers about exactly the same amount of material ...

Spacesuits with artificial intelligence may look for life on Mars

Space & Earth / Space Exploration

Nov 04, 2009 | 5 / 5 (7) | 0

(PhysOrg.com) -- Astronauts may in future be wearing spacesuits equipped with artificial intelligence (AI) and digital eyes, turning them into what the researchers call cyborg astrobiologists.

Islands of Life Across Space and Time

Space & Earth / Space Exploration

Oct 06, 2009 | 4.3 / 5 (11) | 1

A new study by the University of Puerto Rico at Arecibo shows the first quantitative evaluation of planetary habitability. The study identifies some potential habitats in the solar system and also shows how ...

Paleomagnetists put controversy to rest

Space & Earth / Earth Sciences

Oct 02, 2009 | 4.5 / 5 (10) | 0

(PhysOrg.com) -- Princeton University scientists have shown that, in ancient times, the Earth's magnetic field was structured like the two-pole model of today, suggesting that the methods geoscientists use ...

Geoscientist offers new evidence that meteorite did not wipe out dinosaurs

Space & Earth / Earth Sciences

May 04, 2009 | 4.5 / 5 (21) | 28

A Princeton University geoscientist who has stirred controversy with her studies challenging a popular theory that an asteroid wiped out the dinosaurs has compiled powerful new evidence asserting her position.

Wetlands likely source of methane from ancient warming event

Space & Earth / Earth Sciences

Apr 23, 2009 | 4.7 / 5 (7) | 0

An expansion of wetlands and not a large-scale melting of frozen methane deposits is the likely cause of a spike in atmospheric methane gas that took place some 11,600 years ago, according to an international ...

Catastrophic sea levels 'distinct possibility' this century: study

Space & Earth / Earth Sciences

Apr 15, 2009 | 4.4 / 5 (89) | 25

A breakthrough study of fluctuations in sea levels the last time Earth was between ice ages, as it is now, shows that oceans rose some three meters in only decades due to collapsing ice sheets.

Under a Frozen Lake in Siberia, Geoscientist Drills For Secrets of Earth’s Ancient Climate

Space & Earth / Earth Sciences

Dec 18, 2008 | 3.8 / 5 (4) | 0

(PhysOrg.com) -- In the next few days, a convoy of bulldozers and trucks will set out from a remote airport in Siberia, heading for a frozen lake 62 miles north of the Arctic Circle, but the trip isn’t a holiday visit to ...

Glacial Erosion Changes Mountain Responses To Plate Tectonics

Space & Earth / Earth Sciences

Nov 15, 2008 | 4.1 / 5 (10) | 0

(PhysOrg.com) -- Intense glacial erosion has not only carved the surface of the highest coastal mountain range on earth, the spectacular St. Elias range in Alaska, but has elicited a structural response from ...

Complex systems and Mars missions help understand how life began

Space & Earth / Earth Sciences

Nov 13, 2008 | 3.3 / 5 (4) | 1

(PhysOrg.com) -- Understanding how life started remains a major challenge for science. At a European Science Foundation (ESF) and COST ‘Frontiers of Science’ conference in Sicily in October, scientists discussed two new approaches ...

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