女生小视频

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E8YY3W Jackdaw (Corvus monedula) with a bramble stick approaching its nest hole in a recently pollarded willow trunk, Gloucestershire.

This week鈥檚 new questions

How do birds know how to build nests? And our eyes receive a two-dimensional image but our brains build a three-dimensional one. Could two three-dimensional images create a four-dimensional one, ad infinitum?

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How to take a quantum approach to finding love

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Tom Gauld on getting things to work – or not

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Twisteddoodles on (another) new method for teaching mathematics

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What: This photo shows a spiny toad amplexus, with a female in the middle of several males. When: The photo was taken in May 2024. Where: The image was taken in the Pyr??n??es Atlantiques, France. How it was taken: The photo was taken at night, when hundreds of toads are crossing the roads to reach their egg-laying grounds. It's common to see such clusters of toads at this time of year. How it was post-processed: I made some basic adjustments to the brightness and contrast, as well as highlighting the individuals and applying a slight vignetting, while taking care not to distort the original photo.

Life

See nature in close-up in these stunning photographs

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Young red-haired woman sitting in a cafe with friend and talking about something.

Mind

How can I help a friend who is relentlessly negative about life?

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Network of mesh lines forming brains of different sizes in dark background with red and yellow glowing particles. 3D illustration of the concept of artificial intelligence, ideas and creativity; Shutterstock ID 2417477169; purchase_order: -; job: -; client: -; other: -

If human brains could be made larger, how much smarter could we be?

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A radar-equipped speed camera monitors the traffic on a road, flashing a yellow light when it catches a car exceeding the speed limit, and using technology to identify the vehicle and enforce the law.; Shutterstock ID 2392738707; purchase_order: -; job: -; client: -; other: -

How fast am I moving and in which direction? Part 2

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whale jumping out of water in iceland; Shutterstock ID 745407220; purchase_order: -; job: -; client: -; other: -

This week鈥檚 new questions

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An unusual method for avoiding a gap in your r茅sum茅

Social networking can keep friends and acquaintances in touch with your career, but Feedback isn't sure how to feel about a cryptocurrency mogul's latest job update

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Tom Gauld on a workplace mix-up

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Twisteddoodles on what to do with a bad result

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What would happen if a rogue planet passed through our solar system?

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Why do cats like to sit on newspapers and magazines?

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