Thujone: Chemistry in its element

Kat Arney finds out about the 'toxic caterpillar' chemical that will make your skin crawl

7 Sep 20186min

Michael Freemantle introduces a tear gas used by the British army in the first world war, picked, in part, because of our access to seaweed

31 Aug 20186min

Brian Clegg on the almond flavour compound that gives your taste buds a treat and may help rescue survivors from a disaster

24 Aug 20185min

How the 'world's most wonderful mineral' became one of the world's biggest health hazards

17 Aug 20186min

Kat Arney investigates the chemicals responsible for giving bruises their hue and colouring your poo

10 Aug 20185min

Katrina Krämer examines the overdose antidote that has saved tens of thousands of lives

2 Aug 20186min

A 1960s breakthrough in pain relief that now fuels the opioid crisis

27 Jul 20186min

How a waxy mixture from a sheep's fleece helped create a global fashion brand

20 Jul 20186min