Show notes: traffic penalty charges, Derren Brown, plankton and climate change
Thanks for all your contributions to Saturday's programme - the stories that featured in the programme.
Traffic penalty charges
Details and interviews on our blog
Favourites
The talented magician and illusionist Derren Brown on his most visited websites.
Plankton man
Chris (aka Mr Blog) spoke Dr Richard Kirby of the based in Plymouth.
You can suggest a story on the blog or email: ipm { at } bbc.co.uk