Tom Gauld on how to remember which fridge you shouldn't eat from
12 January 2020
Tom Gauld's weekly cartoon
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Twisteddoodles on when a butterfly gets a new look
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This week's cartoon from Twisteddoodles
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Jill Tarter: The hunt for alien life is only just beginning
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This week’s new questions
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Is the second wind experienced by runners a real thing, and why is it hard to put on socks when your feet are damp? If you know, tell us!
Dead before his time: a question about time travel
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How would you know a fossil human had not time travelled to the past? Readers respond
Burning hot: Are all flames the same temperature?
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Readers explain what factors affect the heat and colour of a flame and the chemical processes involved
Banana split: Artwork provokes fresh conflict between art and science
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The world goes bananas over a fruit-themed installation, plus lottery luck from Taylor Swift and cowboy pigeons in Feedback’s weekly roundup of weird news and nonsense
New Scientist puzzle #40: Light bulb moment
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Four electrical wires have become tangled in a pipe. Can you work out which is which? Plus, the quick quiz
The scientific shortcuts to cooking delicious caramelised onions
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Browning onions takes way longer than recipes say. Here are two tricks to cut down the time, says Sam Wong in the first of a new series on the science of cooking
