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Results: found 6 topics and 2,662 stories
displaying stories 1 to 10
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Earth's Past Gives Clues to Future Changes
November 29, 2011 — 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 ... > full story -
New Light Shed on Wandering Continents
March 22, 2012 — A layer of partially molten rock about 22 to 75 miles underground can't be the only mechanism that allows continents to gradually shift their position over millions of years, according to a new ... > full story -
When Continents Collide: New Twist to 50-Million-Year-Old Tale
February 29, 2012 — Fifty million years ago, India slammed into Eurasia, a collision that gave rise to the tallest landforms on the planet, the Himalaya Mountains and the Tibetan ... > full story -
Unusual Fault Pattern Surfaces in Earthquake Study
August 12, 2011 — Like scars that remain on the skin long after a wound has healed, earthquake fault lines can be traced on Earth's surface long after their initial rupture. Typically, this line of intersection is ... > full story -
Flipped from Head to Toe: 100 Years of Continental Drift Theory
January 5, 2012 — Exactly 100 years ago Alfred Wegener presented his theory of continental drift to the public for the first time. Modern plate tectonics confirmed his ideas by flipping them upside ... > full story -
Plate Tectonics May Control Reversals in Earth's Magnetic Field
October 23, 2011 — Earth's magnetic field has reversed many times at an irregular rate throughout its history. Long periods without reversal have been interspersed with eras of frequent reversals. What is the reason ... > full story -
New Force Driving Earth's Tectonic Plates
July 6, 2011 — Bringing fresh insight into long-standing debates about how powerful geological forces shape the planet, from earthquake ruptures to mountain formations, scientists have identified a new mechanism ... > full story -
Geoscientists Use Numerical Model to Better Forecast Forces Behind Earthquakes
February 16, 2012 — Researchers have devised a numerical model to help explain the linkage between earthquakes and the powerful forces that cause them. Their findings hold implications for long-term forecasting of ... > full story -
Raising the Prospects for Quantum Levitation
April 18, 2012 — An eerie quantum force may one day help separate the surfaces in tiny machines for frictionless movement. More than half-a-century ago, the Dutch theoretical physicist Hendrik Casimir calculated that ... > full story -
New Understanding of Earth's Mantle Beneath the Pacific Ocean
March 22, 2012 — Scientists have long speculated about why there is a large change in the strength of rocks that lie at the boundary between two layers immediately under Earth's crust: the lithosphere and underlying ... > full story
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