Beneath the planet's surface, there lies a wealth of mineral diversity, with materials featuring elements that are extremely rare to come by and that cannot be found inside the crust. For a very long time, geologists have been puzzled by how these chemicals came to exist on the Earth, when geological records poi... |
19 October 2009
03:57 GMT |
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Banded iron formations (BIF) is the name geologists gave to strikingly banded rock formations that existed around the world and that had been formed between 3.8 and 1.7 billion years ago. Their external appearance and inner composition hint at the history of the planet's climate as it was about two billion years... |
12 October 2009
04:49 GMT |
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In the race towards creating more eco-friendly materials and devices, there are several chemicals that do the job as well as established ones, but with less of a carbon footprint. Such is the case with rare earth metals, which are minerals from which a variety of compounds necessary for constructing hybrid cars and w... |
31 August 2009
15:51 GMT |
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While studying unsuspecting mice and rats, researchers at the University of Iowa (UI) have discovered that the rodents seem to not care about activities that they would have otherwise enjoyed anymore, when they have a low concentration of sodium chloride (salt) in their bodies. This has led the team to believe that a... |
11 March 2009
10:26 GMT |
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A single speck of lunar zirconium is all it took for geologists to pinpoint the exact age of the Moon, after countless controversies between proponents and critics of various lunar formation theories. The small sample was brought back by the Apollo 17 mission all those years ago, but, at the time, the technology to p... |
27 January 2009
13:01 GMT |
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In a series of previous articles, I tackled the "super foods" myth and whether this denomination is actually appropriate for some of today's most hyped fruits and vegetables. So far, we've covered almonds, figs, kiwifruits and asparagus - today, the time has come to add yet another precious name to our gro... |
24 June 2008
04:34 GMT |
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At one point or another in our lives we've all been worried about hair loss - whether it happened while we were brushing and styling our hair in the morning, after we had a shower or simply while we were touching up our makeup in a restaurant's bathroom. Experts say that as part of the natural hair growth c... |
29 May 2008
03:49 GMT |
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NASA and one of its many contractors are planning a future Moon base, an outpost that could be reused by the crews of the next lunar missions to land on the surface in the next decades. This base camp will house astronauts, allowing them to use the moon's natural resources, conduct scientific experiments and ev... |
23 July 2007
09:45 GMT |
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