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93 matches found for "plate tectonics"

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Caltech scientists develop DNA origami nanoscale breadboards for carbon nanotube circuits

A paper about the work appeared November 8 in the early online edition of Nature Nanotechnology."This project is one of those great 'Where else but at Caltech?' stories," s...

Power and Electrical Engineering | nachricht Read more
Seafloor Fossils Provide Clues on Climate Change

Assistant Professor of Earth and Environmental Sciences at Rensselaer Polytechnic Institute Miriam Katz has spent the past two decades studying these ancient, deep-sea fossils to reconstruct the clima...

Earth Sciences | nachricht Read more
New Celestial Map Gives Directions for GPS

The system works well, and millions rely on it every day, but what tells the GPS satellites where they are in the first place? "For GPS to work, the orbital position, or ephemeris, of the...

Information Technology | nachricht Read more
Giant Impact Near India--Not Mexico--May Have Doomed Dinosaurs

Sankar Chatterjee of Texas Tech University and a team of researchers took a close look at the massive Shiva basin, a submerged depression west of India that is intensely mined for its oil and gas reso...

Earth Sciences | nachricht Read more
Jade sheds light on Guatemala's geologic history

A new analysis of jade found along the Motagua fault that bisects Guatemala is underscoring the fact that this region has a more complex geologic history than previously thought. Because jade ...

Earth Sciences | nachricht Read more
New map hints at Venus's wet, volcanic past

The map comprises over a thousand individual images, recorded between May 2006 and December 2007. Because Venus is covered in clouds, normal cameras cannot see the surface, but Venus Express used a pa...

Earth Sciences | nachricht Read more
Deforestation causes 'boom-and-bust' development in the Amazon

Since 2000, 155 thousand square kilometres of rainforest in the Brazilian Amazon have been cut down for timber, burnt, or cleared for agricultural use. Forest clearance rates have averaged more than 1...

Ecology, The Environment and Conservation | nachricht Read more
New Definition Could Further Limit Habitable Zones Around Distant Suns

As astronomers gaze toward nearby planetary systems in search of life, they are focusing their attention on each system's habitable zone, where heat radiated from the star is just right to keep a...

Physics and Astronomy | nachricht Read more
Erosion of the Yucca Mountain crest

But a new study, already published as an article in press by Elsevier's journal Geomorphology (http://www.elsevier.com/locate/geomorph) and recently included in the Research Highlights of Nature,...

Earth Sciences | nachricht Read more
The genetic X-factor

A collaboration between more than 70 researchers across the globe has uncovered nine new genes on the X chromosome that, when knocked-out, lead to learning disabilities. The international team studied...

Life Sciences | nachricht Read more
Bent tectonics: How Hawaii was bumped off

A sharp bend in the middle is the only blemish. The long-standing explanation for this distinctive feature was a change in direction of the Pacific oceanic plate in its migration over a stationary hot...

Earth Sciences | nachricht Read more
African initiative trains students, explores geophysical mysteries

"In order to train masters and doctoral students there has to be a research effort," said Andrew Nyblade, professor of geosciences, Penn State and co-director of AfricaArray. "We starte...

Earth Sciences | nachricht Read more
New research helps us understand the incredible forces and oil and gas reserves that lie hidden beneath the Earth’s surface

That is the conclusion reached by two Danish researchers from the University of Copenhagen, Professor Hans Thybo and PhD Christoffer Nielsen, after many seismic examinations, including blowing up tons...

Earth Sciences | nachricht Read more
Decline of Carbon Dioxide-Gobbling Plankton Coincided with Ancient Global Cooling

The findings suggest that after a sudden rise in species numbers, diatoms abruptly declined about 33 million years ago -- trends that coincided with severe global cooling.The study is publishe...

Ecology, The Environment and Conservation | nachricht Read more
Scientists Find Evidence of Asteroids with Earth-Like Crust

Published in the January 8 issue of the journal Nature, this is the first ever finding of material from an asteroid with a crust like Earth's. The discovery also represents the oldest example of ...

Earth Sciences | nachricht Read more
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