We value gold for many reasons: its beauty, its usefulness as jewelry, and its rarity. Gold is rare on Earth in part because it's also rare in the universe. Unlike elements like carbon or iron, it cannot be created within ...
Astronomy
Jul 17, 2013
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The evolutionary biologist Stephen Jay Gould once asked whether the living world would be different "if the tape were played twice." If there were a duplicate Earth evolving quietly beside ours, would we observe the emergence ...
Biotechnology
Jul 17, 2013
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Pollution and other environmental degradation costs India $80 billion a year, nearly six percent of gross domestic product, the World Bank said in a report released on Wednesday.
Environment
Jul 17, 2013
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The European Union said Wednesday that China, the world's largest carbon emitter, was willing to cooperate more closely to address climate change worldwide ahead of a key global pact due in 2015.
Environment
Jul 17, 2013
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The German government Wednesday denied a report claiming that the nation's military knew for years about the US surveillance programme PRISM revealed by fugitive former intelligence analyst Edward Snowden.
Internet
Jul 17, 2013
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Disruptions to U.S. exports of maize (corn) could pose food security risks for many U.S. trade partners due to the lack of trade among other producing and importing nations, says a Michigan State University study.
Biotechnology
Jul 17, 2013
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Networks of spherical nanoparticles embedded in elastic materials may make the best stretchy conductors yet, engineering researchers at the University of Michigan have discovered.
Nanomaterials
Jul 17, 2013
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Researchers described a new species of Noctuidae moth from Iran which is the fifth described species of the genus Anagnorisma. The new species A. chamrani has its name in honour of Dr. Mostafa Chamran (1932-1981), an Iranian ...
Plants & Animals
Jul 17, 2013
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Ecotourism and Conservation - Can it work? In the context of a study in the forests of Central Guyana, a team of scientists from the Senckenberg Research Institute in Dresden investigated this very question and by chance ...
Plants & Animals
Jul 17, 2013
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In the summer of 2007, Tropical Storm Erin stumped meteorologists. Most tropical cyclones dissipate after making landfall, weakened by everything from friction and wind shear to loss of the ocean as a source of heat energy. ...
Earth Sciences
Jul 17, 2013
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