Archive: 07/25/2012

Mystery of Native Americans' arrival

The Americas’ first human settlers arrived in a complex series of migrations, pushing over the ancient land bridge from Asia at least three times but moving in both directions, with at least one group ...

dateJul 25, 2012 in Archaeology & Fossils
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Corn, grain prices push to record highs

(Phys.org) -- The future of corn prices and the impact on fed livestock continues to be an unfolding, tumultuous situation, but some degree of clarity should be coming to the story in the next few weeks, according ...

dateJul 25, 2012 in Other
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Pollution weakens monsoon's might

(Phys.org) -- Over 1.5 billion people in South Asia depend on the summer monsoon rains. Now, pollution exhaust threatens this primary water source for crops and daily living, according to new research at Pacific ...

dateJul 25, 2012 in Earth Sciences
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