This week鈥檚 new questions
Why do some people like science and others don鈥檛? And what causes the sound of a rumbling stomach?
How long before all human traces are wiped out?
What is the carbon payback period for a wind turbine?
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How can a tree reabsorb its own branch?
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This week鈥檚 new questions
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How does water hydrate us?
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Why do dogs and horses roll on their backs when happy?
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This week鈥檚 new questions
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Far-sighted: How can some people see at great distance?
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This week’s new questions
Is online shopping better for the environment? And can you ride a bike with no hands?
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Sneeze blindness: Why do your eyes close when you sneeze?
Beef with tofu: is local beef better for the planet than tofu imports?
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Clean limbs: the debate continues on whether you should wash your legs
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This week鈥檚 new questions
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