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Last word

Â鶹´«Ã½'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

DRE532 Elephant (Loxodonta africana) waving its trunk sitting in the waterhole of Gwarrie Pan, Addo Elephant Park, South Africa

Last Word

Why do humans have pubic hair? (Part 2)

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Part of the Guadiana river has dried up and gives way to dry land under the Puente de la Mesta medieval bridge in Villarta de los Montes, in the central-western Spanish region of Extremadura, on August 16, 2022. - Temperatures in Spain have been very high this summer with several unusual heat waves. Scientists say human-induced climate change is making extreme weather events including heatwaves and droughts more frequent and more intense. (Photo by THOMAS COEX / AFP) (Photo by THOMAS COEX/AFP via Getty Images)

Last Word

Where is the water that Europe and China are missing this year?

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This week’s new questions

Last Word

This week’s new questions

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An image of a human retina taken during an eye exam

Last Word

What happens to a photon after it hits the retina of my eye?

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Issue no. 3408 published 15 October 2022

Â鶹´«Ã½ issue 3408 cover
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