女生小视频

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2B74MKJ 3D Illustration Rendering. Flat earth theory with atmosphere, sun, moon and glass cover. Ancient mythology belief in plane globe in form of disk.

If Earth was flat, how would gravity manifest?

Our readers have a lot of fun getting to grips with this one, working out how such an Earth would look 鈥� and what its inhabitants might be like

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Walking highland cattle on sunset, scottish cow; Shutterstock ID 2496920209; purchase_order: -; job: -; client: -; other: -

Why are so many Scottish animals red-headed, from squirrels to people?

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H3NTB2 Woman by giant trees in snow-covered forest, Sequoia National Park, California, USA

This week鈥檚 new questions

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Comment

A first nomination for the 2025 Reverse Nominative Determinism award

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Tom Gauld on the best look for space

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Twisteddoodles on unusual scientific acronyms

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Health

Visualising a virus: How our covers captured an unfolding crisis

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2M9CJ0J 1940s SCATTERED PAGES FROM A ONE DAY AT A TIME FLIP DESK CALENDAR NUMBERS DAYS OF WEEK PATTERN PAPER TEXTURE - s10448 HAR001 HARS REPRESENTATION

Mathematics

This mathematical trick lets you work out the weekday of any date

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GKTGNN Formentera, Balearic Islands: an inflatable balloon in the shape of an alien between bushes

If we ever find life on other worlds, will it be based on DNA?

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S3W7DX Close up of the large nose and snout of a cow behind bars

Why do our nostrils point down, not straight out from our faces?

Could this be linked to the aquatic ape hypothesis, wonder our readers 鈥� who also point out the various other placements of different mammals鈥� nostrils

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Could flatulence-inducing food give a runner jet propulsion?

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This week鈥檚 new questions

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A New Year鈥檚 resolution nightmare and strange lights in the night sky

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Tom Gauld on making new year’s resolutions 鈥� or not

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