Is it true that some people don't get hangovers? We look at some research into why that might be. Also, everybody knows that salt makes us thirsty, but new research suggests that may not actually be the case. And Chris talks to Musician Charlie Marshall about his new album of science related songs, and how science can give a deeper understanding of the universe.
Chris Lassig, Stuart Burns, Claire Farrugia and Manisha Bhardwaj.