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  • A picture showing part of the mosaic being studied

    Chemical analysis reveals origin of Pompeian mosaic tiles

    15 February 2019

    Work will help to preserve ancient murals

  • Funeral mask of the Pharoah Tutankhamun


    15 February 2019

    A brilliant rich blue rock, prized in antiquity as a gemstone and a prominent pigment, lazurite is the basis of lapis lazuli, the original ultramarine paint and – as Brian Clegg finds – it even adorns Tutankhamun's death mask

  • Tsetse Fly


    7 February 2019

    Cases of sleeping sickness – human African trypanosomiasis – are in decline, dropping 86% in Africa between 2000 and 2014. Gege Li explores the role that this toxic, arsenic-based medication has to play.

  • Pile of capsules Omega 3 on white background

    Omega-3 fatty acids

    1 February 2019

    Many consume cod liver oil due to 'a vague sense we should be taking them for something' – but what to the omega-3 fatty acids actually do?

  • The IYPT logo

    Year-long celebration of the periodic table launched by Unesco

    30 January 2019

    Hundreds gather in Paris to commemorate 150 years of Dmitri Mendeleev’s most enduring work

  • IYPT The Discovery of the Noble Gases thumb 2

    The discovery of the noble gases

    28 January 2019

    How an extra line in the solar spectrum kicked off a search for the ‘missing metals’ that turned out to be noble gases

  • A UH- 1D helicopter from the 336th Aviation Company sprays a agent orange on a dense jungle area in the Mekong delta - Illustration


    25 January 2019

    It made Robert Bunsen seriously ill, Michael Faraday thought it 'barbaric' to use in battle and even Fritz Haber – the 'father of chemical warfare' – abandoned it after a fatal accident in his lab. This week, Mike Freemantle tells the story of tetramethyldiarsine, otherwise known as cacodyl.

  • A picture of Julius Lothar Meyer and his periodic table

    Whose periodic table is it anyway?

    22 January 2019

    Dmitri Mendeleev’s table was not the first – but it’s the one that matters

  • Russian gymnast David Delyavskiy's bronze medal from the 2016 Olympics in Rio de Janeiro, Brazil


    18 January 2019

    Kit Chapman takes us back to the 1904 Olympics in St Louis, via the bronze age and ancient Greece

  • A picture of the St Andrews Table in the condition it was discovered in 2014 from deep storage

    Is this the world’s oldest classroom periodic table?

    15 January 2019

    How a chart of elements from 1885 was found, rescued and restored