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Can you hear the strains of an imaginary Bing Crosby?

Feedback brings you up to date with the latest experiments into whether people think they hear Bing Crosby crooning White Christmas, while also investigating if seasonal holidays bring a rise or a fall in the number of humans

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Tom Gauld on a near miss with aliens

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Twisteddoodles on the weird appeal of a lab safety talk

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Life

Spotlight on plankton, the ocean’s fascinating, bite-sized creatures

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DNPBE6 The field of red poinsettias being grown for Christmas in Cambridgeshire.

Life

Learn the secrets of poinsettias to help them thrive

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How to foster a toddler’s yen for engineering

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Milk coffee is a combination of equal parts espresso, steamed milk and milk froth.

Does a latte cool faster than a cappuccino?

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Loosen bolt in daylight close up.; Shutterstock ID 1195047430; purchase_order: -; job: -; client: -; other: -

Why do loose screws only get looser and not the other way round?

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mist, rain

How fast would you have to travel to be able to run on water? (part 2)

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This week鈥檚 new questions

Could a rope be made long, light and strong enough for a tug-of-war over the 42 kilometres between Dover, UK, and Calais, France? And why do speakers at public events wave their hands around so much?

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Tom Gauld on handling a difference of opinion

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Twisteddoodles on finding a new social media site

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What science can bring to your karaoke performance

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Space

See the astronauts learning how to walk on the moon… in Arizona

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