Have you ever wondered how far humans can push themselves physically? A scientist recently conducted a study to help answer this question. He studied athletes who ran six marathons a week for months to learn about what determines their capacity to expend energy over time. Listen to find out more about what researchers understand about human endurance and hear one scientist’s surprising take on what constitutes the height of human capability.
Story Length: 3:34
Socrative users can import these questions using the following code: SOC-1234