Is there an evolutionary benefit to being bald?
Does male pattern baldness convey an evolutionary advantage? Readers share their theories
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This week鈥檚 new questions
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Why does ‘falling’ in dreams happen?
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Do ants bury their dead?
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This week鈥檚 new questions
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How do city trees get enough water?
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Where鈥檚 the best place to be buried to preserve your body as a fossil?
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This week鈥檚 new questions
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Cats are famously grumpy, but do they have facial expressions?
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How long can viruses survive outside the body?
What do we know about how long cold, flu and coronaviruses can live on surfaces?
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This week’s new questions
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What is the reptilian skill that allows lizards to walk upside down?
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Time for a rhyme
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This week鈥檚 new questions
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