1/5 Simon Singh on the significance of five subatomic particles, starting with the electron.
Getting to the heart of country life with a look at individual farming endeavours.
4/6 Clare Balding is with a group of women who have made a book of walks in the Peak District.
23/40 Saving Species goes on a fungus foray in West Wales.
Quentin Cooper and guests assess this week's Nobel Science Prizes.
Dr Alice Roberts investigates the growing problem of plastic floating in the sea.
Laurie Taylor examines new research about black listed artists during the McCarthy period.
Caz Graham learns how venison is produced at a deer farm in Barnsley.
3/6 Clare Balding is in the Forest of Dean with a group walking with donkeys.
10/10 Prof Marcus du Sautoy presents Nicolas Bourbaki, the mathematician that never was.