News tagged with earth materials
China pays price for world's rare earths addiction
Peasant farmer Wang Tao used to grow corn, potatoes and wheat within a stone's throw of a dumping ground for rare earths waste until toxic chemicals leaked into the water supply and poisoned his land.
May 01, 2011 |
5 / 5 (5) |
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Putting the squeeze on rare earth metals
(PhysOrg.com) -- Rare-earth metals are a series of elements that represent one of the final frontiers of chemical exploration. The vigorous reactivity of these substances, however, has made it difficult for ...
Apr 15, 2011 |
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'COSmIC' simulator fingerprints unknown matter in space
(PhysOrg.com) -- Who are we? Where do we come from? These are questions that scientists hope to find clues to by better understanding the composition and evolution of the universe.
Space & Earth / Space Exploration
Feb 08, 2011 |
3.6 / 5 (14) |
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The Spin Doctor
An electron spin can be compared to the needle of a compass that points either north or south. Some electrons in a full shell point up, canceling out the electromagnetic fields of an equal number of electrons ...
Jan 13, 2011 |
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Ancient forest emerges mummified from the Arctic
The northernmost mummified forest ever found in Canada is revealing how plants struggled to endure a long-ago global cooling.
Space & Earth / Earth Sciences
Dec 15, 2010 |
4.3 / 5 (22) |
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Scientists to test if life on Mars could be related to life on Earth
Over the course of the Earth's history, about a billion tons of rocks have been exchanged between the Earth and Mars. Scientists think it's possible that one or more of those rocks might have contained tiny ...
Space & Earth / Space Exploration
Nov 04, 2010 |
4.8 / 5 (13) |
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Martian meteorite may hold clues to water on the Red Planet
(PhysOrg.com) -- Scientists are examining fragments of a Martian meteorite to try to establish when water was freely flowing on the red planet.
Space & Earth / Space Exploration
May 24, 2010 |
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Shooting Meteorites in a Barrel
High-impact lab experiments simulate whether the building blocks of life could have survived the rough arrival on Earth via meteorite impact.
Space & Earth / Space Exploration
Feb 26, 2010 |
5 / 5 (2) |
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Molecular Genealogy in the Arctic Sediment
(PhysOrg.com) -- Heat-loving bacteria found in the Arctic seabed have their origins in oil springs and the depths of the Earth's crust. This is the finding of a project supported by the Austrian Science Fund ...
Jan 18, 2010 |
5 / 5 (4) |
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Valuable, rare, raw earth materials extracted from industrial waste stream
Fierce competition over raw materials for new green technologies could become a thing of the past, thanks to a discovery by scientists from the University of Leeds.
Dec 15, 2009 |
4.6 / 5 (9) |
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Atomic Particles Help Solve Planetary Puzzle
(PhysOrg.com) -- A University of Arkansas professor and his colleagues have shown that the Earth's mantle contains the same isotopic signatures from magnesium as meteorites do, suggesting that the planet formed ...
Space & Earth / Earth Sciences
Nov 10, 2009 |
4.5 / 5 (12) |
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Geologists point to outer space as source of the Earth's mineral riches
According to a new study by geologists at the University of Toronto and the University of Maryland, the wealth of some minerals that lie in the rock beneath the Earth's surface may be extraterrestrial in origin.
Space & Earth / Earth Sciences
Oct 18, 2009 |
4.1 / 5 (11) |
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Historic 'moon issue' of Science freely available
The historic 30 January 1970 edition of the journal Science, featuring analysis of the first geological samples from the Moon, is now freely available to the public to commemorate the 40th anniversary of the first lunar ...
Space & Earth / Space Exploration
Jul 20, 2009 |
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Secret of sandcastle construction could help revive ancient building technique, researchers say
The secret of a successful sandcastle could aid the revival of an ancient eco-friendly building technique, according to research led by Durham University.
Jun 02, 2009 |
3.8 / 5 (4) |
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We owe it all to comets
Comets have always fascinated us. A mysterious appearance could symbolize God's displeasure or mean a sure failure in battle, at least for one side. Now Tel Aviv University justifies our fascination -- comets ...
Space & Earth / Space Exploration
Apr 28, 2009 |
4.2 / 5 (6) |
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