麻豆传媒

Young women swim breaststroke, wearing swimming caps and goggles.

Slow breaststroke vs faster front crawl – which is more efficient?

Front crawl might get you there faster, but breast stroke can be better for a number of reasons, say our readers

E6BAMW Green peas

Why are peas green when they grow in the dark inside a pod?

TTN6C3 Low angle majestic view of aurora borealis over forest

Does Earth鈥檚 magnetic field affect the weather? (continued)

This photograph is of the sky over north London on Wednesday 15th June at 8:13 am. The picture Is cropped to centre the image. The effect was not due to camera or glass of vehicle photo was taken from and looked identical to naked eye. What can have caused the contrails to end so evenly? No aircraft were immediately apparent, it did turn out to be a remarkable hot day. I am assuming my passenger?s suggestion of a glitch in the matrix leading to an incomplete sky rendering is incorrect- can you or your readers provide a more sensible explanation

This week鈥檚 new questions

Humans

Let slip the online shiba inus of war

Humans

Would you sacrifice five lobsters to save the life of a cat?

Arthur's Seat Coffins

Humans

Mysterious mini-coffins for the victims of 19th-century body snatchers

honey bee pollinating sunflower plant; Shutterstock ID 1920347621; purchase_order: -; job: -; client: -; other: -

Why do insects buzz when flying? Does making this sound help them?

2AD2YRB Pile of pink pills and around a white one. Medication, self-treatment or placebo concept: one tablet is different from the lot of others

What provides the healing effect of a placebo treatment? Part 2

Tom Gauld on where to start with rewilding

Tom Gauld's weekly cartoon

Twisteddoodles compares a music festival and a scientific conference

Space

Now is the best time to see Pluto, our beloved dwarf planet

Could dinosaurs have developed human-like abstract intelligence?

This week鈥檚 new questions