Is It Necessary to Find the Universe Delicious?

Ed: Some people ask, is it necessary for us to find the universe beautiful? He says there's an interesting and unexplored philosophy question. "I don't think we'd want to learn about that dry aged," he says of a possible alien diet. Ed: If aliens do come, they wouldn't just teach us about the universe. They might give us tips on how to cook - but hopefully not how to cook us.