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Cultivating food long before hominids even existed, leafcutter ants are among the world’s oldest and most successful farmers. Their colonies are supported by a remarkably complex agricultural process that involves cutting leaves with their mandibles, carrying leaf particles several times their own weight back to their colonies, and harvesting the nutritious fungi that grows on the decaying bits of leaves. Where Are the Ants Carrying All Those Leaves? reveals the leafcutter ants’ incredible agricultural process from beginning to end.
Producer: Gabriela Quirós
Website: Deep Look
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Nature and landscape
‘A culture is no better than its woods’ – what our trees reveal about us, by W H Auden
5 minutes
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Meaning and the good life
Why Orwell urged his readers to celebrate the spring, cynics be damned
11 minutes
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Animals and humans
One man’s quest to save an orphaned squirrel, as narrated by David Attenborough
14 minutes
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Earth science and climate
Images carved into film form a haunting elegy for a disappearing slice of Earth
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Biology
Butterflies become unrecognisable landscapes when viewed under electron microscopes
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Animals and humans
Join seabirds as they migrate, encountering human communities along the way
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Fairness and equality
There’s a dirty side to clean energy in the metal-rich mountains of South Africa
10 minutes
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Biology
‘Save the parasites’ may not be a popular rallying cry – but it could be a vital one
11 minutes
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Evolution
The many ways a lizard tongue sticks, grasps, pinches and plops – in slo-mo
6 minutes