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Last word

New ÒÁÈ˾þÃ'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

E6BAMW Green peas

Last Word

Why are peas green when they grow in the dark inside a pod?

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This photograph is of the sky over north London on Wednesday 15th June at 8:13 am. The picture Is cropped to centre the image. The effect was not due to camera or glass of vehicle photo was taken from and looked identical to naked eye. What can have caused the contrails to end so evenly? No aircraft were immediately apparent, it did turn out to be a remarkable hot day. I am assuming my passenger?s suggestion of a glitch in the matrix leading to an incomplete sky rendering is incorrect- can you or your readers provide a more sensible explanation

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This week’s new questions

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Young women swim breaststroke, wearing swimming caps and goggles.

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Slow breaststroke vs faster front crawl - which is more efficient?

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TTN6C3 Low angle majestic view of aurora borealis over forest

Last Word

Does Earth’s magnetic field affect the weather? (continued)

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Issue no. 3396 published 23 July 2022

New ÒÁÈ˾þà issue 3396 cover
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