How the compound that ushered in a photographic revolution has taken to the skies to try to control the weather

Katrina Krämer investigates how one of the smallest small-molecule drugs around saved Jeanna Giese's life

Kat Arney investigates a potent chemical that might explain the brain-bending powers of bacteria

Mike Freemantle introduces amber – the valuable organic gemstone that invests unwary insects in a durable tomb

Brian Clegg examines the duality that makes beryllium oxide so valuable to the electronics industry

Jamie Durrani diverts his attention to the rise of Ritalin, a drug first identified as a way of improving tennis performance

Frances Addison takes a look at the discovery that brought horseshoe crabs to the heart of the pharmaceutical industry

Kit Chapman investigates the drug that has been one of the top five prescription medications in the UK every year for the last two decades

Inspired by a mention of arrowroot in Jane Austen's Emma, Mike Freemantle investigates how subtle differences in composition mean starch can be resistant dietary fibre or easily-digested nourishment.

How an early synthetic dye chemical came to play a role in a mysterious disease outbreak in 1980s Spain