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How I went from selling MDMA to researching the science of its effects

How I went from selling MDMA to researching the science of its effects

27 February 2020

Christopher Medina-Kirchner used to be a drug dealer. Now he is a researcher looking at their effects, and says society's views on drugs and addiction need updating


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Quick crossword #52: Ovoid bacterium (6)

27 February 2020

Challenge your brain by solving New Scientist's weekly crosswords on your mobile, tablet or desktop


Tom Gauld Cartoon

Tom Gauld is forever trying to draw a stone being pushed up a hill

26 February 2020

Tom Gauld's weekly cartoon


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Twisteddoodles plots the graphs that appear in the news

26 February 2020

This week's cartoon from Twisteddoodles


plank

This week’s new questions

26 February 2020

Why is it easy to walk along a narrow plank when there’s no drop, but not if there's a 100-metre drop, and do people with larger ears have better hearing? Send us your thoughts


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Room for improvement: Compliment first or bad news first?

26 February 2020

When delivering negative feedback, is it better to give a compliment first and follow with the bad news, or vice versa? Readers respond with some fascinating insights


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Sneaking a cryptic crossword clue into a headline

26 February 2020

PETA’s cryptic headlines, plus having a street party in Brussels and children’s spacesuits, in Feedback’s weekly weird round-up


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New Scientist puzzle #48: Seeing red

26 February 2020

The traffic lights are green for 10 seconds. Should you cycle faster to get through or slow down? Plus answers to puzzle #47


Make kimchi at home by cultivating a friendly microbial ecosystem

Make kimchi at home by cultivating a friendly microbial ecosystem

26 February 2020

Encouraging the growth of benign bacteria is a tasty way to preserve vegetables, such as with this easy kimchi recipe, says Sam Wong


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Learning whilst you sleep was big business in the Soviet Union

26 February 2020

“Sleep-learning,” we observed half a century ago “is big business in the Soviet Union.” A slew of studies, experiments and trials from behind the Iron Curtain showed an enthusiasm for pumping information, such as lists of foreign words, into people whilst...


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