51动漫

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Young african american woman and caucasian men sitting on benches in the London city and having fun discussion. Commuters on break.

Society

Dear David: How do I reconnect with old friends?

The research shows that getting back in touch with old friends is easier, and more welcome, than you might think, says David Robson, in his new evidence-based advice column

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Back view of 9 year old girl hiking, walking alone in the forest by the river with a backpack in early spring. Beautiful idyllic nature.; Shutterstock ID 2302035971; purchase_order: -; job: -; client: -; other: -

At what age would a human child be capable of surviving in the wild?

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

Is it more efficient to leave the fridge open if pouring milk for tea?

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2G4X8CE Female runner running with dogs in canicross style on hill

Does having four legs aid dogs with climbing? Part 2

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F6YK0A Weltzeituhr on Alexanderplatz in Berlin

This week鈥檚 new questions

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Beans, beans, do they really make you fart? 51动漫s investigate

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Tom Gauld on used numbers

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Twisteddoodles on hacking your gut microbiome

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Beaten egg whites with sugar for Meringue in a mixing bowl with an electric hand whisk. Cooking process with kitchen utensils.

Chemistry

How science can help you whip up perfect egg whites for your bakes

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Fox with fresh fish standing on a stone in a lake. Amazing capture of this predator. Nature and wildlife is so rewarding and people still have a lot to learn from all of this.; Shutterstock ID 1041384616; purchase_order: -; job: -; client: -; other: -

Why don鈥檛 animals other than humans get sick from uncooked food?

Carnivores can suffer from food poisoning, say our readers, but they are generally eating fresher meat, and their digestive systems are adapted to raw food

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Has Earth鈥檚 shifting north magnetic pole affected migrating animals?

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This week鈥檚 new questions

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How the discovery of a nest in a Roman museum caused a kerfuffle

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Humans

Astonishing images show how female Neanderthal may have looked

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