Researchers have been resurrecting apple trees to revive forgotten varieties of the fruit. They hope that sequencing these apples' genomes could uncover mutations that influence flavour, colour, crispness and other characteristics. This knowledge could help unlock the next blockbuster fruit, and develop trees that are more resistant to disease, climate change and other environmental pressures.

This is an audio version of our Feature Apple revival: how science is bringing historic varieties back to life

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