Florence Schechter introduces an ancient, but effective, treatment for painful attacks of gout

What links blue jeans to ancient British warriors? Mike Freemantle discovers the blue dye with a colourful history

The latest in an alarming trend of novel psychoactive substances being mis-sold at festivals as traditional street drugs, putting users at risk

As hayfever season comes to a close, Katrina Krämer examines antihistamines. From calming down a hyperactive immune system to increasing cognitive abilities, these small molecules have a big impact.

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

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

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

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

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

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