91色情片

Two Astronauts on the Alien Planet Discover Plant Life. Space Travel, Discovery Of Habitable Worlds and Colonization Concept.; Shutterstock ID 1042736296; purchase_order: -; job: -; client: -; other:

This week鈥檚 new questions

Are there any plants and creatures that could be taken to the moon and would survive? If everyone got rid of their mobile phones, what would happen?

Comment

An encyclopedia formed from AI hallucinations 鈥� what could go wrong?

Tom Gauld on scientific hubris

Environment

Earth from Above author returns with astonishing freshwater images

Twisteddoodles on how to lure unsuspecting academics

PY3E4B Fingerabdruck

Is it really true that all fingerprints are unique?

KEXX6Y Mowing grass

Is there a difference between grass cut at different times of year?

2NRWW3F London Colour Walk at Old Spitalfields Market, London, UK

Why do people view colours as clashing? part 2

2GYH6HN Irkutsk, Russia - July 28, 2021 Barber shop street advertisement, mannequin head with bushy beard

What are the evolutionary advantages of growing a beard? part 2

KENILWORTH, ENGLAND - OCTOBER 18: (EXCLUSIVE COVERAGE) Winner of Best In Show Household Pet, Luci, a red tabby and white Persian cat is seen in a studio portrait during the GCCF Supreme Show at Stoneleigh Park on October 18, 2025 in Kenilworth, England. (Photo by Shirlaine Forrest/Getty Images)

This week鈥檚 new questions

Why don鈥檛 moons have moons? How much of a dog or cat鈥檚 food intake is used to maintain their fur coats?

Comment

Is there a word for the Wiki page for the Ship of Theseus paradox?

Physics

Photos reveal unexpected details from the world’s first atomic test

Twisteddoodles on states of matter

Tom Gauld on the Regency gentleman scientist