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Arizona Science
Arizona Science

Looking at the connection between evolution and aging

By Tony Perkins
Published August 21, 2026 at 1:00 PM MST
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University of Arizona college of mollecular and cellular science

Evolution plays a role in why some species have more longevity than others. University of Arizona molecular scientist George Sutphin discusses how the process of aging produces what is naturally best for animals ranging from sharks to humans.

George Sutphin spoke with Erika Hamden, astrophysicist at the University of Arizona.

Arizona Science
Tony Perkins
Tony is a veteran journalist whose career in broadcast journalism has spanned more than 30 years and 2 continents. He is host of The Press Room and producer for Arizona Science.
See stories by Tony Perkins