ASU professor Ron Rutowksi, who specializes in animal vision and behavior, has been studying butterfly vision for more than 25 years. Supported by the National Science Foundation and its Swedish counterpart, the research by Rutowski and his collaborator, Eric Warrant of Lund University in Sweden, has uncovered much of the structure behind butterfly vision. Understanding that structure has helped the scientists explore how vision might affect animal behavior in the wild.
See the challenges, struggles and triumphs for African Americans in 'Reconstruction: America After the Civil War'
Host and producer Henry Louis Gates, Jr. takes you on a two-part, four-hour journey through one of America's most controversial-yet-least-understood historical periods.
Discover the life and work of Garry Winogrand, the epic storyteller in pictures who harnessed the serendipity of the streets to capture America during meteoric, oft-turbulent change in a new American Masters biography Sunday, April 21, at 2 p.m. on Arizona PBS.
From the perfect egg to the blossoming of spring, experience compelling stories of the natural world as "Nature" returns to Arizona PBS Wednesday nights at 7 p.m.