2015 Race Across the USA (IMAGE)

Duke University

2015 Race Across the USA

Caption

A new study reveals how hard humans can push and still keep it up without breaking down.

Credit

Photo by Bryce Carlson.

Usage Restrictions

None

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.