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Let slip the online shiba inus of war

20 July 2022

Feedback lifts the veil on the cartoon dogs debunking Russian propaganda, while also checking in on the hunt for the legendary Sasquatch

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

This week’s new questions

20 July 2022

What caused the contrails in the sky to end so abruptly (see picture)? And what is the optimal number of piercings to make in the film covering a microwave meal?

TTN6C3 Low angle majestic view of aurora borealis over forest

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

20 July 2022

New Scientist readers continue to debate the impact of magnetic fields on the weather - including links to a mass extinction event 42,000 years ago

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

20 July 2022

A pea pod isn’t as dark as you might think, say our readers, and selective breeding has favoured vibrant green peas over yellow or purple ones that occur naturally

Young women swim breaststroke, wearing swimming caps and goggles.

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

20 July 2022

Front crawl might get you there faster, but breast stroke can be better for a number of reasons, say our readers

Cameraless photography creates lockdown 'supernovae' at home

20 July 2022

These entrancing orbs look like something plucked from distant universes, but they were in fact created by photographer Charlotte Greenwood using her own spin on cliché-verre printing