Science & Medicine
How do you keep food fresh on a three-year round-trip to Mars? NASA scientist-chefs are cooking up some ideas.
NOVA is produced by WGBH in Boston. Funding for NOVA scienceNOW is provided by the National Science Foundation, the Howard Hughes Medical Institute, the Alfred P. Sloan Foundation, and PBS viewers.
Funding for NOVA is provided by David H. Koch, the Howard Hughes Medical Institute, the Corporation for Public Broadcasting, and PBS viewers.
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