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The idea that living organisms are born to reproduce and ultimately die is one of the most common and widely accepted ideas about life across cultures. But is it true? Using whimsical animation, The Animal That Wouldn’t Die explores the strange case of the hydra – a creature that seems to play by a different set of rules than anything else in nature. Following the work of two scientists separated by many generations, this documentary investigates the surprising regenerative power of the small fresh water animal, and how the concept of the ‘circle of life’ might not be as universal as we once thought.
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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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Biology
Butterflies become unrecognisable landscapes when viewed under electron microscopes
4 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
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Biology
Starlings swoosh like brushstrokes across the sky in this dazzling short
3 minutes
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Ecology and environmental sciences
The tree frog die-off that sparked a global mystery – and revealed a dark truth
15 minutes
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Ecology and environmental sciences
GPS tracking reveals stunning insights into the patterns of migratory birds
6 minutes
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Neuroscience
This intricate map of a fruit fly brain could signal a revolution in neuroscience
2 minutes
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Biology
Brilliant dots of colour form exquisite patterns in this close-up of butterfly wings
3 minutes