Variations in skin color provide one of the best examples of evolution by natural selection acting on the human body and should be used to teach evolution in schools, according to a Penn State anthropologist.
Evolution
Feb 20, 2011
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The sun provides more than enough energy for all our needs, if only we could harness it cheaply and efficiently. Solar energy could provide a clean alternative to fossil fuels, but the high cost of solar cells has been a ...
Nanomaterials
Feb 20, 2011
9
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Ask any political leader if they are in favor of sustainability, and the pat answer is typically a resounding, "Yes."
Environment
Feb 20, 2011
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Failure to pursue a program for recycling spent nuclear fuel has put the U.S. far behind other countries and represents a missed opportunity to enhance the nation's energy security and influence other countries, the former ...
Energy & Green Tech
Feb 20, 2011
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In 2011 the Earth's population will reach 7 billion. The United Nations (UN) reports that the total number of people will climb to 9 billion in 2050, peak at 9.5 billion, stabilize temporarily, and then decline. Despite the ...
Social Sciences
Feb 20, 2011
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As many as 200 oil-stained birds have been found after an Icelandic cargo ship ran aground last week and began leaking fuel inside Norway's only marine natural reserve, authorities said Sunday.
Environment
Feb 20, 2011
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A geomagnetic space storm sparked by a solar eruption like the one that flared toward Earth Tuesday is bound to strike again and could wreak havoc across the gadget-happy modern world, experts say.
Space Exploration
Feb 20, 2011
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The first electric-powered Rolls-Royce car will be unveiled at the Geneva Motor Show on March 1, the luxury vehicle maker announced on Sunday.
Energy & Green Tech
Feb 20, 2011
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(AP) -- Scientists have estimated the first cosmic census of planets in our galaxy and the numbers are astronomical: at least 50 billion planets in the Milky Way.
Astronomy
Feb 20, 2011
8
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(AP) -- Oil from the BP spill remains stuck on the bottom of the Gulf of Mexico, according to a top scientist's video and slides that she says demonstrate the oil isn't degrading as hoped and has decimated life on parts ...
Environment
Feb 20, 2011
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