快猫短视频

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AX21BH Close-up shot, goosebumps

Why does some music give us goosebumps?

We respond to "danger" sounds 鈥� whether they are natural or in music 鈥� by getting goosebumps because this was evolutionarily important, say our readers

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Close-up of construction bubble level.

When a spirit level is flat, what does that mean relative to Earth?

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Hand of male holding soil in the hands for planting. Expert hand of farmer checking soil health before growth a seed of vegetable or plant seedling. Gardening technical, Agriculture concept.; Shutterstock ID 2252590625; purchase_order: -; job: -; client: -; other: -

This week鈥檚 new questions

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Comment

The blue whale: the world’s most versatile measuring stick?

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Feather Foiled Print

Mathematics

Artist brings data to life in striking screen prints

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Tom Gauld on a tardigrade’s favourite evening

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Twisteddoodles on an astronaut’s return from space

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Why is tea more likely than coffee to leave a stain in a mug?

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Cosmonaut in a futuristic dystopian city . Sci fi and virtual reality concept . This is a 3d render illustration . ; Shutterstock ID 2230705453; purchase_order: -; job: -; client: -; other: -

What happens to our electronic cloud records when we die? Part 2

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In late summer sunflower ripened on the farm field; Shutterstock ID 1883406451; purchase_order: -; job: -; client: -; other: -

Plants wither away when neglected. Can they also feel pain?

The simple answer is no, say our readers, but plants can react to environmental stimuli in ways that serve a similar purpose to the human pain response

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This week鈥檚 new questions

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Environment

Washed-up clothing mimics seaweed in stunning cyanotypes

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Mind

Can’t stop doomscrolling? Here’s some research to help you cut back

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Comment

A bestseller is born: How Zuckerberg discovered the Streisand Effect

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