Musician is ending his North American tour with two gigs in his native New York.
Show to be held Friday, while science camps begin next week.
David Mugar stepping down as founder, executive director after 43 years.
Several others were arrested in and around Pittsburgh event.
Local acts perform every Thursday through second week of September.
Search giant display the full song lyrics at the top of the search page.
More stars are adding to their resumes.
Documentary is amusing and even edifying.
Writer, humorist says farewell to some 18,000 fans at the Hollywood Bowl in final episode of the old-style radio show.
This year's event features 3 special military guests.