杏吧原创

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2XH91PX Common redshank (Tringa totanus) in breeding plumage perched on one leg on wooden fence pole along meadow in summer

Why do so many birds like standing on one leg?

It helps keep them warm, say our readers 鈥� but the flamingo is most famous for standing on one leg, and warmth is unlikely to be the reason it adopts this posture

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MKC0KM white cat climbing on a tree

This week鈥檚 new questions

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Illuminated globe from inside spinning, colourful earth globe ; Shutterstock ID 555407242; purchase_order: -; job: -; client: -; other: -

Given Earth rotates, can I travel by going straight up and waiting?

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2WA289F The supermoon rise at the Nature Discovery Sanctuary in Winkler, Manitoba, Canada.

Does a full moon reflect enough sunlight to drive photosynthesis?

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This week鈥檚 new questions

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H911D3 A metal hand dryer mounted on a colourful tiled wall.

What鈥檚 the best way to dry my hands efficiently with a hot air blower?

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13 January 2023, UAE, Dubai: Assortment of Alcohol free beer bottles on a shelf of beverage shop; Shutterstock ID 2279500355; purchase_order: -; job: -; client: -; other: -

Why do low-alcohol beers taste better than low-alcohol wines? Part 2

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2X5MEN6 Sisters (2-3, 6-7) eating ice cream

This week鈥檚 new questions

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13 January 2023, UAE, Dubai: Assortment of Alcohol free beer bottles on a shelf of beverage shop; Shutterstock ID 2279500355; purchase_order: -; job: -; client: -; other: -

Why do low-alcohol beers taste better than low-alcohol wines?

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Piles of old tyres in a garage. Romania

Does car tyre pressure affect speedometer readings? Part 2

Cyclists weigh in on this thorny topic, as our readers continue to ponder the issue

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This week鈥檚 new questions

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Do all languages have the equivalent of ‘please’ and ‘thank you’?

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How would civilisation differ if it were always cloudy? (Part 2)

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This week鈥檚 new questions

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