Last Word
Why is the noise of aeroplanes louder in colder weather?
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Last word
New Scientist's popular Last Word series gives readers the opportunity to answer each other's questions about everyday science phenomena, from the shape of scones to the evolutionary history of toenails. To answer a question or ask a new one, email lastword@newscientist.com
Last Word
What is the most efficient way to stir to dissolve something in water?
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Last Word
This week’s new questions
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Last Word
In which direction in the sky did the big bang take place? (part 2)
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Last Word
How do eardrums convey sound? Don’t the various frequencies interfere?
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Last Word
Do I weigh more at night due to the gravitational pull of the sun?
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Last Word
What is the point in having nerve endings in our teeth?
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Last Word
This week’s new questions
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Last Word
Why do loose screws only get looser, not the other way round? (part 2)
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Last Word
How does a scone develop a “waist” as it rises in the oven?
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Last Word
This week’s new questions
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Last Word
How much of my body from 40 years ago is part of me today? (part 2)
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