Scientists find massive Mayan society under Guatemala jungle

Researchers using a high-tech aerial mapping technique have found tens of thousands of previously undetected Mayan houses, buildings, defense works and pyramids in the dense jungle of Guatemala's Peten region, suggesting ...

Washington state spill covers 50 birds in used motor oil

Oil-spill responders on Tuesday are evaluating the impact to wildlife from a used motor oil leak into a river in an agricultural area of south-central Washington, as at least 50 ducks, geese and other waterfowl were observed ...

Irrigation in arid regions can increase malaria risk for a decade

New irrigation systems in arid regions benefit farmers but can increase the local malaria risk for more than a decade—which is longer than previously believed—despite intensive and costly use of insecticides, new University ...

Scientists predict Santiago de Chile will get drier and warmer

Today, 10% or more of the population in the Metropolitan Region of Santiago de Chile is affected by extreme heat or floods. And, these threats will likely increase due to the continuous expansion of the Chilean capital, the ...