Michael Freemantle explores the pigments responsible for the rich colours of autumn foliage: 'the last smiles of the year upon the tawny leaves'.

Katrina Krämer examines these extremely versatile materials and speaks to MOF pioneer Omar Yaghi

Pyrrolizidine alkaloids from Ragworts and other plants are popular with pollinators but a potent poison to wildlife and livestock, as Mike Freemantle discovers

Kit Chapman on the compound that could be the chemical cause of mysterious lights in the night: Phosphines

Kat Arney introduces a two-faced tree sap that can cause nasty rashes or be made into beautiful Japanese furniture

Through an early ointment for spots through a medicine for syphilitic Victorians, Michael Freemantle traces the history of highly toxic mercuric chloride

The catnip compound that felines go crazy for could have exciting uses for humans, too, as Kat Arney finds out

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