Proving once again why he’s the Internet’s favorite scientist, astrophysicist Neil deGrasse Tyson took to Twitter to weigh in on a classic comic technical question: How much does Mjölnir, Thor’s magic hammer, really weigh?
Warner Bros. Television
July 30 marks not only the International Day of Friendship but also Lisa Kudrow's 52nd birthday. Coincidence? Perhaps, but what better time to check in with Kudrow and your other favorite "Friends" from the classic '90s sitcom?