Focusing on Wildlife
Experts tested whales’ teeth for nuclear fallout – and accidentally found the oldest killer whale on record
By analysing the teeth of five whales who died on Scottish shores in the past three decades, researchers created a ‘dental time machine’ – allowing them to reconstruct the life stories of the animals and identify one of the oldest male killer whales on record. The study, which relied on traces of radioactive fallout trapped in […]
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