More from Clodagh O'Brien
Explore the latest news, articles and features
Bees buzz elephants
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Fossil find reveals world’s oldest penises
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Early humans smart but forgetful
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DNA database “should include every citizen”
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Basking shark hibernation a fishy tale
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Success for carbon dioxide burial
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Vision enhances perception of touch
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Mystery surrounds Indian child deaths
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United Airlines installs stun guns
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HIV conviction could increase infections, warn experts
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Cocaine rush can burst artery
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Holy smoke
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