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  • Bandaged British World War 1 soldiers in a battlefield trench, 1915-1918.


    8 March 2017

    How chemical weapons inspired the birth of cancer chemotherapy

  • A single layer of molybdenum disulfide

    Molybdenum disulfide

    1 March 2017

    Brian Clegg discovers the compound that makes the world’s smallest transistors

  • The master algorithm index

    Book Club - The master algorithm

    24 February 2017

    Driverless cars and bloodless wars are just two of the promises of machines that learn, the subject of this month’s podcast

  • A skeletal form mixes ingredients for sweets, surrounded by vats of dangerous chemicals

    Arsenic trioxide

    22 February 2017

    How a ‘daft’ pharmacy mix up led to a series of poisonings in Victorian Britain

  • Colin Firth as Mr Darcy


    15 February 2017

    Jane Austen’s Mr Darcy lends his name to a pheromone that lets mice feel the love

  • Furry Logic

    Book Club - Furry logic

    13 February 2017

    This month we discuss the physics of turtles, shrimps and, of course, cats

  • A bag of freshly donated blood


    8 February 2017

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

  • Yuri Organessian

    Chemistry World podcast – January 2017

    3 February 2017

    This month we introduce our new puzzles page, discuss the implications of Trump for science and meet Yuri Oganessian, the only living person with an element named after him

  • sodium reacting with water with the blue colour of the solvated electron visible

    Solvated electrons

    2 February 2017

    Blue flashes and metallic water are just some of the tricks associated with the unleashed electron

  • Ball and stick structure of adamantane


    26 January 2017

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