(PhysOrg.com) -- It's no surprise that humans the world over use more water, by volume, than any other material. But in second place, at over 17 billion tons consumed each year, comes concrete made with Portland cement. Portland ...
Materials Science
Dec 12, 2011
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The earliest philosophers argued that out of nothing, nothing comes (ex nihilo, nihil fit). This ignited intense philosophical and theological debates and invoked challenging questions over the coming centuries. How could ...
Space Exploration
Dec 12, 2011
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(PhysOrg.com) -- Under the cold clear waters of Lake Huron, University of Michigan researchers have found a five-and-a-half foot-long, pole-shaped piece of wood that is 8,900 years old. The wood, which is tapered and beveled ...
Earth Sciences
Dec 12, 2011
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(PhysOrg.com) -- Wheat's genetic resistance to Hessian flies has been failing, but a group of Purdue University and U.S. Department of Agriculture scientists believe that other plants may soon be able to come to the rescue.
Biotechnology
Dec 12, 2011
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At least one person admits that the extreme heat in Texas this year was beneficial.
Plants & Animals
Dec 12, 2011
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In today's world, human trafficking is not an isolated problem, but a growing global issue. A Kansas State University professor is studying ways that anti-trafficking groups are fighting back.
Social Sciences
Dec 12, 2011
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(Phys.org) —The eel-like body and scrawny "limbs" of the African lungfish would appear to make it an unlikely innovator for locomotion. But its improbable walking behavior, newly described by University of Chicago scientists, ...
Plants & Animals
Dec 12, 2011
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Increased salinity and concentrations of trace elements in one West Virginia watershed have been tied directly to multiple surface coal mines upstream by a detailed new survey of stream chemistry. The Duke University team ...
Environment
Dec 12, 2011
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Over the past 10 years, the death of forest trees due to drought and increased temperatures has been documented on all continents except Antarctica. This can in turn drive global warming by reducing the amount of carbon dioxide ...
Environment
Dec 12, 2011
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A major study of recent international data on school mathematics performance casts doubt on some common assumptions about gender and math achievement — in particular, the idea that girls and women have less ability due ...
Mathematics
Dec 12, 2011
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