This week’s issue marks New Scientist's 65th anniversary. To celebrate, we attempt to answer 13 of the most mysterious questions about life, the universe and everything.

Grab a copy from newsstands, or get our app to download digital and audio editions.https://t.co/86FZ6oRBDZ pic.twitter.com/e0CqnCOURk

— New Scientist (@newscientist) November 18, 2021