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It’s common lore that chameleons change their colours to blend in with their environment and elude predators, but in reality, chameleons’ baseline earth-tones provide camouflage, while their more brilliant colours communicate their physiological state and intentions to other chameleons. These colour shifts result not from pigments as previously thought, but from changes in microscopic salt crystals in the chameleons’ skin. At the University of California, Berkeley, researchers are attempting to harness chameleon skins’ powers to create new synthetic materials.
Producer: Jason Jaacks
Website: Deep Look
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Architecture
A 3D rendering of the Colosseum captures its architectural genius and symbolic power
17 minutes
video
Human rights and justice
Surreal, dazzling visuals form an Iranian expat’s tribute to defiance back home
10 minutes
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Language and linguistics
Do button-pushing dogs have something new to say about language?
9 minutes
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Art
When East met West in the images of an overlooked, original photographer
9 minutes
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History of science
Ideas ‘of pure genius’ – how astronomers have measured the Universe across history
29 minutes
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Values and beliefs
Why a single tree, uprooted in a typhoon, means so much to one man in Hanoi
7 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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Making
On the Norwegian coast, a tree is transformed into a boat the old-fashioned way
6 minutes
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Animals and humans
One man’s quest to save an orphaned squirrel, as narrated by David Attenborough
14 minutes