‘Aural tattoos’: sperm whales use sounds to signal social identity, say scientists

Sperm whales are among the deepest divers on the planet. They are natural submarines, spending 70% of their time foraging for squid in the dark…

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The last hunt? Future in peril for ‘the unicorn of the sea’

Age Hammeken Danielsen has hunted narwhals since he was a child. He and his father would travel along Greenland’s fjords on a small motorboat, armed…

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Five ways AI is saving wildlife – from counting chimps to locating whales

There’s a strand of thinking, from sci-fi films to Stephen Hawking, that suggests artificial intelligence (AI) could spell doom for humans. But conservationists are increasingly…

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Can fake whale poo experiment net Australian scientists a share of Elon Musk’s US$100m climate prize?

Scientists and engineers have pumped 300 litres of simulated whale poo into the ocean off Sydney as part of efforts to snag a share of…

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