This week we are joined by biologist Sophie Arthur who takes us through her PhD on stem cells and the work that she is doing to share her science with the world.

Mixtape

1) Adele - When We Were Young

2) This is Me - Keala Settle (from The Greatest Showman)

3) As She's Walking Away - Zac Brown band feat Alan Jackson

4) Promises - Calvin harris feat Sam Smith

5) Tinie Tempah - Pass Out

6) The Cave - Mumford & sons