Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

Karen O is the lead singer with which band that made a breakthrough in this decade Yeah Yeah Yeahs, Coldplay, Kings of Leon, The Killers?
yeah yeah yeahs

Which movie starred Michael Caine as a murderous transvestite psychiatrist?
dressed to kill

Which British scientist discovered and studied hydrogen, was the first to measure Newton's gravitational constant, and calculated the mass and mean density of the Earth?

henry cavendish