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Новости за 16.10.2010

High-Tech Society Drives Demand for China's Rare Earth Metals

Discovermagazine.com 

Rare earth metals are a hot commodity in today's high-tech world. Until recently these elements were fairly obscure members of the periodic table; now, their usefulness in everything from hybrid cars to solar panels has boosted their profile. The 17 rare earth metals, some with exotic names like lanthanum and europium, form unusually strong lightweight magnetic materials. Lanthanum is used in the batteries of hybrid cars, neodymium is used in magnets in the electric generators of wind turbines a

A Global Success Story: Deadly Cattle Disease Is Wiped Off the Planet

Discovermagazine.com 

Goodbye and good riddance, rinderpest. For only the second time in history, humans have eradicated a disease through a long, slogging campaign of vaccinations and global alertness. Rinderpest, which means “cattle plague” in German, does not affect humans, though it belongs to the same virus family as measles. But for millenniums in Asia, Europe and Africa it wiped out cattle, water buffalo, yaks and other animals needed for meat, milk, plowing and cart-pulling. Its mortality rate is about 80 pe





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