女生小视频

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2HR09CM Killer whale, Orcinus orca, spy hop, Vestfjord, Ofotfjord, and Tysfjord, Lofoten Islands, Norway, Atlantic Ocean

This week鈥檚 new questions

Why don鈥檛 orcas attack humans? And why don鈥檛 people take responsibility for their mistakes?

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Holy prosociality! Batman makes people stand for pregnant passengers

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EXERB1 Red field poppies and blue cornflowers.

Environment

Do weeds really love poor soil? Not if you look at the science

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2S95MK4 Tourists play a game of Snakes and Ladders at a Chinese temple ahead of the Lunar New Year of the Snake celebrations. Lunar New Year which falls on January 29, 2025, welcomes the year of the Snake, which will be celebrated by the Chinese around the world. (Photo by Wong Fok Loy / SOPA Images/Sipa USA) Credit: Sipa US/Alamy Live News

Mathematics

Bored of snakes and ladders? Some maths can help bring back the fun

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ENTETC Robin, (Erithacus rubecula), garden bird standing on top of a branch in winter, UK

Do birds actually sleep more in winter?

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Is the concentration of salt in the oceans gradually increasing?

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2K18TC6 London, UK. 16th Sep, 2022. Shaikha Al Mazrou, Red Stack, 2022, Lawrie Shabibi - Frieze Sculpture, one of the largest outdoor exhibitions in London, including work by international artists in Regent's Park. Credit: Guy Bell/Alamy Live News

Why do we use pillows? part 2

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Close-up of a Cymbiola nobilis shell, also known as the noble volute, against a black background, featuring its distinctive zigzag patterns and smooth texture; Shutterstock ID 2637416271; purchase_order: -; job: -; client: -; other:

This week鈥檚 new questions

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Think of a card, any card 鈥� but make it science

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TUNSTALL, ENGLAND - JANUARY 24: In this aerial view people view a decommissioned cold war nuclear observation post has fallen on to the beach after clinging perilously to the cliff face for the last month on January 24, 2026 in Tunstall, England. The decommissioned bunker, known as Tunstall ROC (Royal Observer Corps), is believed to have been built in 1959 as a nuclear monitoring post during the Cold War. Rapid erosion along the East Yorkshire coastline left it exposed and caused it to collapse. (Photo by Christopher Furlong/Getty Images)

Environment

Cold War bunker collapses onto beach

The Tunstall ROC Post has been dangling perilously on a cliff top for the past month due to erosion along the Holderness coastline in East Yorkshire, UK

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Twisteddoodles: So, you’re a rocket scientist?

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Tom Gauld: Our journey began with a simple question

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Environment

Startling images win water photography competition

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Twisteddoodles: If AI had the skills (and the emotions) of an artist

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