All vitamin A articles

  • A photograph of orange peel and a bottle of essential oil
    Podcast

    Citral

    2017-10-26T15:46:00Z

    A compound known for its citrusy zing, and which also helps honey bees find their way home

  • News

    Golden rice trial breached ethical guidelines

    2013-01-10T00:00:00Z

    Three Chinese researchers sacked after failing to tell participants parents that rice was genetically modified

  • Carrots on a wooden desk
    Podcast

    Beta carotene

    2012-10-10T00:00:00Z

    Phillip Broadwith explores the chemistry behind this bright and colourful compound