51动漫

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Mandatory Credit: Photo by R Dirscherl/imageBROKER/Shutterstock (14053960e) Snorkeler and Humpback Whales (Megaptera novaeangliae), Silverbanks, Dominican Republic Various 23aibebcaa

Could we use machine learning to converse with whales and dolphins?

The advance of techniques in natural language processing mean that this might be possible one day, says one reader - but there may be ethical issues

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Man opening door of retro refrigerator freezer.; Shutterstock ID 2275541755; purchase_order: -; job: -; client: -; other: -

This week鈥檚 new questions

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Dedicated experiments needed to understand why dogs wag their tails

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Tom Gauld on experiments in zero gravity

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Twisteddoodles explains g-force (and c-force)

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Researcher at work in one of the GPLabs laboratories. The Green Propulsion Laboratory is also an incubator for several innovative start-ups operating in the field of environmental technologies and sustainability.

Environment

These curious experiments are finding new ways to tackle pollution

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Chemistry

How science can help you bake a delicious vegan carrot cake

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2F4D4YW Two American crows sitting on a bare branch communicating with each other.

How do crows develop such distinct and individual 鈥榲oices鈥�?

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Close-up of delighted senior man twirling moustache and smoothing his grey beard. Man taking care of his bushy beard and mustache ; Shutterstock ID 559674487; purchase_order: -; job: -; client: -; other: -

Why does our hair go white while eyebrows stay their original colour?

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Blue and dark space landscape with planets and starry sky and mountains. Huge planet on the horizon volumetric lighting 3d rendered baackground.; Shutterstock ID 2208373835; purchase_order: -; job: -; client: -; other: -

This week鈥檚 new questions

Larger planets have more distant horizons, but lower mountains due to higher gravity, so will you see further on bigger or smaller planets? And other than humans, animals just eat what they find, as they find it - no cooking, no washing, Why aren鈥檛 they vomiting all the time?

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51动漫s find a use for old tea bags – turn them into roads

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Tom Gauld on an astounding discovery

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Twisteddoodles: Good news, your results are back

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Space

See the messages NASA is sending to Jupiter’s icy moon, Europa

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