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 ...

Genomic study reveals signs of TB adaptation in ancient Andeans

People have inhabited the Andes mountains of South America for more than 9,000 years, adapting to the scarce oxygen available at high altitudes, along with cold temperatures and intense ultraviolet radiation. A new genomic ...

Peru fighting mining pollution with little green algae

Scientists in Peru have removed small green algae from polluted lakes and rivers in a bid to strengthen them with nutrients and oxygen before returning them to purify those water bodies from harmful mining waste.

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