91色情片

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Life

Remarkable photos highlight the haunting resilience of nature

Acclaimed photographers Paul Nicklen and Cristina Mittermeier showcase a changing planet as part of the Photo London photography fair

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Twisteddoodles on a cunning new strategy to avoid extinction

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Space

Already know the Big Dipper? There’s more to this group of stars

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EYCC30 Attraction and repulsion iron metal particles align up along the magnetic fields lines created by a bar magnet invisible to see

Could two negatively charged black holes repel each other?

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Battle cruiser approaching light speed in an outer space wormhole, 3d digitally rendered illustration; Shutterstock ID 91289105; purchase_order: -; job: -; client: -; other: -

How long would it take to speed up to 99 per cent light speed? Part 2

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2CCYRY3 Please Do Not Feed The Horses

This week鈥檚 new questions

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Comment

Who needs Eurovision when we have the Dance Your PhD contest?

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Tom Gauld on the joys of a sunny day

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Twisteddoodles on the moon’s awkward emo phase

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Guatemala - Tabil - Maya ladies collect corn, an essential crop that is also part of their traditional cultural heritage. Corn is used to make tortilla, served at each meal, but also soups.

Environment

These photos reveal the unique agricultural system of the Maya people

Combining sustainability, climate resilience and environmental preservation, the ancient 鈥渕ilpa鈥� system of the Maya revealed in these images has been practiced for millennia

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Mind

Can we get better at spotting when someone is lying?

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How can I ensure that most of my body is used after my death?

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Why do many animals have white underbellies? Part 2

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I see why we have two eyes and two ears 鈥� but why two nostrils? Part 2

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