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Behaviour likely emerged from early humans sucking lips to remove parasites while grooming, researchers say
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Findings suggest ‘audience effect’ predates the development of human societies based on reputation, researchers say.
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An elephant at Berlin zoo used its trunk to interrupt flow of water from hose used by another elephant
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Moderate exercise such as brisk walking may almost halve new mothersâ risk of major depression, analysis suggests
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Vampire bats lack genes needed for insulin secretion, so instead they rely on quickly metabolising amino acids found in their blood meal
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Original purpose of King Arthurâs Hall is a mystery and archaeologists say it is unique in Europe