Science On Top

Hosts: Ed Brown, Dr. Shayne Joseph, Penny Dumsday, Lucas Randall. 00:00:45 Help support the show! 00:01:58 Another theory for Tabby's Star - still not aliens. 00:15:47 The bacteria in babies' guts may end up the same no matter how they were delivered. 00:21:21 Could a brief spike of oxygen in Earth's atmosphere 2.3 billion years ago have been a "false start" for complex life? 00:26:47 DNA is usually made up of G, A, T and C. But scientists in the US have modified bacteria to use two new molecules - X and Y!   This episode contains traces of Colin Jost announcing the results of a study into sleeping patterns, on Saturday Night Live's Weekend Update, February 04 2017.