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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

Four cheerful female friends having fun on summer road trip

Last Word

Which is the more efficient way to cool my car, A/C or the windows?

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2R067KD The Great Sphinx is the oldest known monumental sculpture in Egypt. It was built more than 4,500 years ago to guard the pyramid of Khafre at Giza.

Last Word

This week’s new questions

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Bengal cat washing itself on bed; Shutterstock ID 1123136123; purchase_order: -; job: -; client: -; other: -

Last Word

Why do cats wash themselves, while dogs don’t? (continued)

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iss067e189024 (July 16, 2022) --- The sun's rays begin to illuminate the Earth's atmosphere as the International Space Station flew into an orbital sunrise 261 miles above Texas. iss067e189024 NASA ID: iss067e189024 iss067e189024 (July 16, 2022) --- The sun's rays begin to illuminate the Earth's atmosphere as the International Space Station flew into an orbital sunrise 261 miles above Texas. Date Created:2022-07-16 Center:JSC

Last Word

When was the first sunrise on Earth? (continued)

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Issue no. 3453 published 26 August 2023

Â鶹´«Ã½ issue 3453 cover
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