51动漫

Close up photo of peony flower bud with water drops at sunlight after rain in garden. Natural floral background. Gardening, spring season, growth concept.; Shutterstock ID 1726658389; purchase_order: -; job: -; client: -; other:

How do plants know to bud when days get longer?

A protein accumulating in leaf tissue is the secret behind this plant superpower, explains one reader

Close-up of adorable young seal swimming in clear blue water and looking at camera, near Brighton, Sussex, United Kingdom

Why do seals have such cute faces? part 2

2WRG1EA close up of frozen green peas, top view of vegetable food, peas from freezer background

What鈥檚 the optimal ratio of frozen peas to cold tap water? Part 3

2BXTXNE Red giant star. Sun. Earth landscape. Moon. Venus. Solar system

This week鈥檚 new questions

Environment

Shocking turtle photo reveals efforts to combat illegal wildlife trade

Tom Gauld on the correct use of abbreviations

Twisteddoodles on signing people up for a medical study

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

Why do people view colours as clashing or complementing each other?

Two scientists use a massive, illuminated periodic table of elements as they discuss the element holmium in the Lawrence Hall of Science at the University of California, Berkeley. (Photo by ?? Ted Streshinsky/CORBIS/Corbis via Getty Images)

How many elements in the periodic table could we safely remove? part 2

2WRG1EA close up of frozen green peas, top view of vegetable food, peas from freezer background

What鈥檚 the optimal ratio of frozen peas to cold tap water? Part 2

There are many methods of heating up peas, not all of which require water, notes one reader

Do left- and right-handedness exist in animals? part 3

This week鈥檚 new questions

Comment

When ChatGPT went full goblin mode

Twisteddoodles on a surprisingly effective youth serum