SETI scientist Rocco Mancinelli is featured in this interview about halophiles and their role in the search for extraterrestrial life. Mancinelli speaks to a young audience, recalling how he became involved in science. He discusses his career development from aerobiology to astrobiology and introduces his research involving halophiles in space. The interview concludes with a few words of advice to young people. Quicktime video interviews about halophiles in space, the nitrogen cycle, and nitrogen on Mars are free to download.