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

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

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

Ben Valsler with the story of Charlotte Figi, Dravet syndrome and the cannabis compound controlling her condition.

Brian Clegg on a compound that keeps us well fed and looking radiant

Katrina Krämer asks if an essential blood-thinning medicine ended Joseph Stalin's 30-year rule over the Soviet Union

Discover bat-borne-bombs and a classic chemistry textbook, as Mike Freemantle examines the history of kerosene

One mineral form may look like gold, but Brian Clegg isn't fooled by the value of iron sulfides