Air conditioners generate heat and are expensive to operate.Credit: Ezra Acayan/Getty As large swaths of Europe and Asia suffer record heat waves this summer, discussions have focused on an obvious way to keep people cool: more air conditioners. Popular in high-income countries such as the United States, Japan and Australia, these units are less common
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Concluding an eight-month scientific mission aboard the International Space Station, NASA astronaut Chris Williams returned to Earth on Sunday along with Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev. The crew made their safe, parachute-assisted landing at 5:27 am CDT (3:27 pm Kazakhstan time), southeast of Dzhezkazgan, after leaving the space station at 2:03 am, aboard
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Artificial intelligence tools, when given well-written prompts, can generate attractive and clear graphical summaries for research papers.Credit: Juj Winn/Getty A graphical summary in an article is one of the most useful tools for communicating hard-won research results. It makes findings more memorable, accessible, and engaging for everyone, from experts in the field and policymakers to
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We trudged up a hill, our environmental suits glowing orange and green in the slanting light of evening, the colors contrasting starkly with the serene tans of the surface of the moon Varga. Jalaya’s boots kicked up small clouds of regolith that swelled up to calf height before settling, only to be thrown up again
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Shi, Y. et al. Ten years of perovskite lasers. Adv. Mother. 372413559 (2025). CAS Article Google Scholar Zhu, H. et al. Lead halide perovskite nanowire lasers with low lasing thresholds and high quality factors. Nat. Mother. 14636–642 (2015). CAS Article PubMed Google Scholar Liao, Q. et al. Perovskite microdisk microlasers self-assembled from solution. Adv. Mother.
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