About this episode
We talk to volcano scientist Ed Marshall in Iceland about working at the volcano which has burst into life spectacularly again after a year of quiet.
Also in the programme, we'll be following migrating moths across Europe in light aircraft to discover the remarkable secrets of their powers of navigation, and hearing how synthetic biology promises to create smarter and more adaptable genetically engineered crops.
(Image: Lava spews from the volcano in Fagradalsfjall. Credit: Getty Images)
Presenter: Roland Pease Producer: Andrew Luck-Baker
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