Raychelle Burks finds out how Potbelly's patrons became poisoning patients, in the mystery of the sodium azide-laced iced tea

In this week's podcast, Matt Gunther reveals the toxic history of gelsemine

In this week's podcast, Raychelle Burks tells us of the cool but warming effects of methyl salicylate, better known as oil of wintergreen.

It's at the heart of the first chemical equation, and makes Hayley Birch think of quiche. This week's compound is antimony sulfide

Why do the Blue Ridged Mountains inspire so many songs? Maybe it's because of the Isoprene that gives them their blue hue...

Emilie Steinmark tells us about gluten and gluten intolerance

Simon Cotton explains the explosive history and the dangers to health of the weight-loss drug, 2,4-dinitrophenol

Brian Clegg introduces an exotic chemical dynasty: the Vanadium oxides

Simon Cotton on the compound that turns a shrinking violet into a hero: Adrenaline

Brian Clegg tells us about a silicone gel, which can sometimes be a bit silly