Kiki Sanford explores how polyamines found in semen could be related to a long and healthy life

Michael Freemantle on chemical weapons and the birth of cancer chemotherapy

Forming layers just three atoms deep, molybdenum disulfide shows potential in filtration, flexible screens and minuscule transistors

Kit Chapman explains how a 'daft' pharmacy mix up led to a series of poisonings in Victorian Britain

Jane Austen's Mr Darcy lends his name to a pheromone that lets mice feel the love, as Kat Arney discovers

Brian Clegg examines the colourful compounds that no red-blooded creature can do without: Porphyrins

Blue flashes and metallic water are just some of the tricks the smallest possible anion has up its sleeve

Brian Clegg introduces a crystalline hydrocarbon that isn't as tough as it sounds, but is the basis of a wide range of medicines

On-demand muscle paralysis revolutionised surgery. Katrina Krämer explores one of the key muscle relaxants used in medical procedures: Pancuronium bromide

The Seveso accident saw an accidental release of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), commonly known as dioxin. Matt Gunther tells the tragic story.