杏吧原创

2GFT7TJ Ichthyosaur swimming in the ocean, extinct marine reptile from Early Triassic to Late Cretaceous, 3d paleoart rendering

How did marine reptiles such as ichthyosaurs breathe?

Our readers say that extinct marine reptiles would have done the same thing as their modern-day relatives - come to the surface to breathe

R1D8PY Silverback western lowland gorilla sitting down to eat at Zoo Atlanta in Atlanta, Georgia. (USA)

Could aliens work out if a human or an ape built the tomb they lie in?

Kecskemet, Hungary - August 28, 2021: Leonardo C-27J Spartan. Military transport plane at air base. Air force flight operation. Aviation and aircraft. Air lift. Military industry. Fly and flying.; Shutterstock ID 2126430722; purchase_order: -; job: -; client: -; other: -

This week鈥檚 new questions

Do academics really split hairs at work? They certainly do now!

Tom Gauld: “How are your experiments going?”

Twisteddoodles on a cute new addition to the team

Arctic Dragon ? Carina Letelier Baeza (Chile) This impressive aurora, which seemingly takes the form of a dragon, was the result of a geomagnetic storm (level G2) generated by a coronal mass ejection. The photo was captured at the Arctic Henge, which was one of the only places in Iceland with clear skies that night. Taken with a Nikon D810A camera, 14 mm f/1.8, ISO 6,400, 2.5-second exposure Location: Raufarh?fn, Iceland, 25 February 2023

Space

These stunning images made the shortlist for space photo competition

partial view of gardener in apron cutting rose with pruning shears; Shutterstock ID 692944225; purchase_order: -; job: -; client: -; other: -

Life

Why you shouldn’t believe claims you can grow a rose in a potato

Close up of glass of a freshly prepared gin and tonic with lemon slices and spoon on the counter.; Shutterstock ID 482388439; purchase_order: -; job: -; client: -; other: -

Why do ice cubes for my gin and tonic often shatter in the mould?

2HMRRGF Madrid, Spain - March 6th, 2021: Isidore of Seville statue at National Library of Spain, Madrid. Medieval Spanish scholar

Once life is established, is intelligence inevitable? Part 2

Our readers continue to pick over this question, pointing to the Fermi paradox and slime mould as they grapple (intelligently) with it

This week鈥檚 new questions

‘Unprecedented and inconceivable’: pylon falls over after nuts removed

Tom Gauld on the Three Neolithic Little Pigs

Twisteddoodles on the latest in tanning innovation