What are the pros and cons of using carbon dioxide in tyres? part 2
It鈥檚 important to consider the carbon cost of producing the tyres themselves, explains one reader
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How do you get the most clothes into a suitcase? part 2
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This week鈥檚 new questions
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What do animals hear when music is played to them?
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Do you wake up needing to pee, or wake up then need to pee? part 2
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What part do my ears play when I think of a tune? part 2
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This week鈥檚 new questions
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What part do my ears or auditory system play when I think of a tune?
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What are the pros and cons of using carbon dioxide in tyres?
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Which animals can recognise individual people? Part 3
One reader explains how a lamb鈥檚 ability to recognise her led to a happy reunion
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This week鈥檚 new questions
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Do you wake up needing to pee, or need to pee because you鈥檝e woken up?
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What would happen if a spinning disc neared the speed of light? Part 2
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Which animals can recognise individual people? Part 2
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