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Welcome to the science podcast for October 24, 2014. I'm Sarah Cresby.

On this week's show, we hear from Kurt Radamaker about evidence for the earliest high-dwelling people. David Grimm is out this week,

but will return next week with more daily news stories. Support for the science podcast is provided

by AAAS, the American Association for the Advancement of Science, advancing science, engineering,

and innovation throughout the world for the benefit of all people.

AAAS, the Science Society, at www.aAAS.org.

High altitude living puts a strain on the body, with low oxygen, more solar exposure, and colder temperatures than lower-lying lands. Despite these forbidding conditions,

people were living above 4,500 meters over 11,000 years ago in the Peruvian Andes. I spoke with

...