Adam Walton discusses dark matter and bringing back the mammoth.
Adam Walton joins the fun at the Salter’s Festival of Chemistry
Adam Walton learns more about medicinal maggots.
Adam Walton hears about Blodwen, the Neolithic skeleton found in Llandudno's Little Orme.
Adam Walton chats to Jonathan Shanklin about the discovery of the hole in the ozone layer.