Llama dung contributed to Inca success in the Andes

(PhysOrg.com) -- The famous Inca city of Machu Picchu in the Peruvian Andes was rediscovered by American explorer Hiram Bingham in July 1911 and the area plans to hold a special 100 year celebration this year. However, the ...

Westerly winds and CO2 levels

The end of the last Ice Age was preceded by a gradual rise in atmospheric CO2. A new study supports the idea that a shift in the position, and increase in the intensity, of zonal westerly winds in the Southern hemisphere ...

Panel suggests structures to boost Great Lakes

A U.S.-Canadian panel urged both nations Friday to consider installing water retention structures to boost levels on Lake Huron and Lake Michigan, which fell to their lowest point on record in January and have lagged well ...

Five acres of mats for Tahoe Asian clam project

Rubber barriers bound for the lakebed of Lake Tahoe's Emerald Bay are being assembled at the University of California, Davis, as part of the biggest Asian clam control project in the lake's history. UC Davis scientists, staff ...

Help NASA find life on Mars with MAPPER

(PhysOrg.com) -- Would you like to participate in NASA's analog research program? Interested in helping scientists pinpoint where to look for signs of life on Mars and elsewhere in the universe? Now you can, with an exciting ...

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