Mars bars: Why it鈥檚 time to write a national anthem for the Red Planet
Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more
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Camera precaution: what can be done to stop migrant deaths in lorries?
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Kicking the habit: is there any point stopping smoking in later life?
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This week鈥檚 new questions
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Space
NASA astronaut Kathryn Sullivan on zero G dreams and fixing Hubble
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Life
Contaminated banknote images reveal how money gets caked in bacteria
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Tom Gauld on how to remember which fridge you shouldn’t eat from
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Twisteddoodles on an exciting new lab formula
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Humans
How to make halloumi and ricotta cheese using ancient biotechnology
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Is Google dooming animals to search engine extinction?
Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more
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Twit or true: are owls really intelligent?
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Number games: how to choose a PIN
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This week’s new questions: all about mulberries
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Life
Why fun is so important and how we benefit from play
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