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Last word

New ÒÁÈ˾þÃ's popular Last Word series gives readers the opportunity to answer each other's questions about everyday science phenomena, from the shape of scones to the evolutionary history of toenails. To answer a question or ask a new one, email lastword@newscientist.com

Blue-naped parrot, Tanygnathus lucionensis, colorful parrot, native to Philippines. Green parrot with red beak and light blue rear crown sitting on twig isolated against dark green jungle background.; Shutterstock ID 1911703984; purchase_order: -; job: -; client: -; other: -

Last Word

Why didn’t green fur evolve among mammals?

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FY9W05 International Space Station and astronaut in outer space over the planet Earth. Elements of this image furnished by NASA.

Last Word

This week’s new questions

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Man looks to a huge brain. Mental capacity, cognitive processing, and human interaction. This is a 3d render illustration; Shutterstock ID 2341475275; purchase_order: -; job: -; client: -; other: -

Last Word

Would your brain run out of storage space if you could live forever?

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Issue no. 3498 published 6 July 2024

New ÒÁÈ˾þà issue 3498 cover
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