1/5 Aleks Krotoski explores the language that helped put men on the moon and harness the atom.
Kate Humble presents the swallow.
Four farmers from four different continents tell Caz Graham about their work.
Laurie Taylor explores the way in which states use public rituals to create new citizens.
Naomi Alderman looks at the advantages of thinking algorithmically.
John Aitchison presents the chough.
Charlotte Smith is on a smallholding that sells turkey, goose, duck and chicken eggs.
Helen Mark discovers the Oxfordshire woodland that once belonged to author CS Lewis.
John Aitchison presents the Slavonian grebe.
Charlotte Smith finds out how British farmers are responding to climate change.
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