At 18, Matthew Draper might just have an answer for which NASA and others have searched for years. “This is the answer to how we [could] live on Mars,” he said of his science fair project, the result of two years of hard work, $44,000 worth of equipment donated by a national company, $2,000 from another company and $2,000 of his own money. The Eustis High School senior said this is the second year he has taken his project to the Lake County Science Fair.