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April 19, 2002

Ann Hutchison

NASA Ames Research Center, Moffett Field, Calif.

Phone: 650/604-3039 or 650/604-9000



A NASA engineer and a NASA astronaut will discuss bioastronautics and space exploration on April 20 at ‘Cal Day’ on the University of California’s Berkeley campus.

Sid Sun, assistant chief of the Life Sciences Division at NASA Ames Research Center, and astronaut Yvonne Cagle, M.D., will participate in an event hosted by the university’s Department of Bioengineering. They will speak as part of "Opportunities in Space Exploration: Discovering Bioastronautics" in Cal’s Sibley Auditorium. Cal Day, UC Berkeley’s open house for the public, is expected to draw more than 30,000 visitors.

"As NASA expands its exploration of space, the agency will increasingly rely on bioengineers to develop the technologies to keep people and other living systems alive in space, as well as the technologies to study how living systems respond and adapt to long- term space flight," said Sun. 

Bioastronautics is the study of the environmental, physiological and technological issues related to the human exploration of space. The presentations will explore this topic and present opportunities for undergraduates and high school students to participate in related research and education.

From 1:15 p.m. to 3:45 p.m. PDT, Cagle will discuss "Discovering Bioastronautics." Cagle will present her views of the benefits and future of human space exploration and discuss the biological challenges of living and working in space. She is a graduate of Novato High School, Novato, Calif., and received a bachelor’s degree in biochemistry from San Francisco State University before earning her medical degree from the University of Washington.

From 3:00 p.m. to 3:40 p.m. PDT, Sun will talk about his background, his NASA career, the International Space Station and internship opportunities at NASA Ames for high school students and undergraduates. Sun holds a master’s degree in mechanical engineering from Cal.

More information about Cal Day is available at:



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