US repeals key ‘endangerment finding’ that climate change is a public threat Nature, Published online: 12 February 2026; [doi:10.1038/d41586-026-00455-6][1] Overturning the 2009 decision means billions of extra tonnes of greenhouse-gas emissions over the next three decades. [1]: https://www.nature.com/articles/d41586-026-00455-6 https://www.nature.com/articles/d41586-026-00455-6

How some COVID vaccines triggered rare blood-clot disorder Nature, Published online: 12 February 2026; [doi:10.1038/d41586-026-00457-4][1] Researchers identify genetic mutation in small group of people who developed the serious disorder after receiving the AstraZeneca or Johnson & Johnson vaccine. [1]: https://www.nature.com/articles/d41586-026-00457-4 https://www.nature.com/articles/d41586-026-00457-4

AI help in grant proposals tied to higher funding odds at NIH Nature, Published online: 12 February 2026; [doi:10.1038/d41586-026-00369-3][1] But funding proposals to US agencies also tend to be more similar to previously funded projects if they are written or edited with the help of a chatbot. [1]: https://www.nature.com/articles/d41586-026-00369-3 https://www.nature.com/articles/d41586-026-00369-3

Publisher Correction: Physiology and immunology of a pig-to-human decedent kidney xenotransplant Nature, Published online: 12 February 2026; [doi:10.1038/s41586-026-10252-w][1] Publisher Correction: Physiology and immunology of a pig-to-human decedent kidney xenotransplant [1]: https://www.nature.com/articles/s41586-026-10252-w https://www.nature.com/articles/s41586-026-10252-w

Exercise rewires the brain — boosting the body’s endurance Nature, Published online: 12 February 2026; [doi:10.1038/d41586-026-00414-1][1] The more mice exercise, the more connections form between some neurons in their brains, study finds. [1]: https://www.nature.com/articles/d41586-026-00414-1 https://www.nature.com/articles/d41586-026-00414-1

The ‘astounding’ rise of semaglutide — and what’s next for weight-loss drugs Nature, Published online: 12 February 2026; [doi:10.1038/d41586-026-00228-1][1] A single class of drugs is changing how people think about weight, health and medicine. [1]: https://www.nature.com/articles/d41586-026-00228-1 https://www.nature.com/articles/d41586-026-00228-1

Flexible joints: robot morphs into a range of cyborg species Nature, Published online: 12 February 2026; [doi:10.1038/d41586-026-00410-5][1] A 3D-printed robot has adjustable legs and joints that can switch from ‘elbows’ to ‘knees’. [1]: https://www.nature.com/articles/d41586-026-00410-5 https://www.nature.com/articles/d41586-026-00410-5

From ancient temples to bomb craters: explore Laos’s layered history — in photos Nature, Published online: 12 February 2026; [doi:10.1038/d41586-026-00330-4][1] All-action archaeologist Daniel Davenport unpacks the country’s complex past from inside its vast national parks. [1]: https://www.nature.com/articles/d41586-026-00330-4 https://www.nature.com/articles/d41586-026-00330-4

Self-powered vibration sensor for wearable health care and voice detection Nature, Published online: 12 February 2026; [doi:10.1038/d41586-026-00250-3][1] Densely packed arrays of electrical components called capacitors can form a high-fidelity vibration sensor that can be worn on the skin. [1]: https://www.nature.com/articles/d41586-026-00250-3 https://www.nature.com/articles/d41586-026-00250-3

Science funding needs fixing — but not through chaotic reforms Nature, Published online: 12 February 2026; [doi:10.1038/d41586-026-00447-6][1] The changes announced by a major UK science funder are putting scientists — and the future of research — in a difficult position. [1]: https://www.nature.com/articles/d41586-026-00447-6 https://www.nature.com/articles/d41586-026-00447-6