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Years of hits to the head prime the brain for decline

mercredi 17 septembre 2025 par Adam Bachstetter, Josh Morganti

Nature, Published online: 17 September 2025; doi:10.1038/d41586-025-02820-3Repetitive head impacts trigger neuronal loss and disrupt blood vessels and immune cells long before the accumulation of neurotoxic tau protein.

Nature

Bioelectronic implants built from rolled-up stretchy circuits

mercredi 17 septembre 2025 par Hyunjin Lee, Dae-Hyeong Kim

Nature, Published online: 17 September 2025; doi:10.1038/d41586-025-02704-6Soft devices made by rolling up rubber-like sheets patterned with 2D electronics can monitor, stimulate and navigate deep tissue in animal models.

Nature

Earth’s atmosphere took two billion years to become fully oxygenated

mercredi 17 septembre 2025

Nature, Published online: 17 September 2025; doi:10.1038/d41586-025-02959-zHigh-resolution isotope data show that a modern-like, oxygen-rich atmosphere was not established until 410 million years ago, supporting a 2-billion-year transitional oxygenation of Earth’s surface. The record also (...)

Nature

Alzheimer’s Drugs Are Finally Tackling the Disease Itself. Here’s How

mercredi 17 septembre 2025 par Esther Landhuis

Nature, Published online: 17 September 2025; doi:10.1038/d41586-025-02926-8While our understanding of Alzheimer’s disease is far from complete, the latest therapies, and others in more than 100 clinical trials, offer new hope.

Nature

The Hidden Link between Racism and Alzheimer’s Risk

mercredi 17 septembre 2025 par Jyoti Madhusoodanan

Nature, Published online: 17 September 2025; doi:10.1038/d41586-025-02930-yBlack Americans face a significantly higher risk of Alzheimer’s and other dementias than white Americans. Researchers are working to find out why that is and how to (...)

Nature

The Vexing Promise of New Blood Tests for Alzheimer’s

mercredi 17 septembre 2025 par Cassandra Willyard

Nature, Published online: 17 September 2025; doi:10.1038/d41586-025-02928-6A new generation of Alzheimer’s blood tests could speed up diagnosis and access to care—but they also raise thorny questions about prediction, treatment and (...)

Nature

Pharmaceutical giants pull out of UK: why it matters for global science

mercredi 17 septembre 2025 par David Adam

Nature, Published online: 17 September 2025; doi:10.1038/d41586-025-03001-yMerck and AstraZeneca say the United Kingdom is not spending enough on medicines, but experts say it’s a symptom of underlying weaknesses in the global pharmaceutical (...)

Nature

Can Diet and Exercise Really Prevent Alzheimer’s?

mercredi 17 septembre 2025 par Sara Harrison

Nature, Published online: 17 September 2025; doi:10.1038/d41586-025-02925-9Early studies suggest that lifestyle changes such as diet, exercise and social engagement may help slow or prevent Alzheimer’s symptoms—but the evidence is inconsistent, and many doctors remain (...)

Nature

Controversial New Alzheimer’s Drugs Offer Hope—But at a High Cost

mercredi 17 septembre 2025 par Liz Seegert

Nature, Published online: 17 September 2025; doi:10.1038/d41586-025-02927-7New Alzheimer’s drugs known as anti-amyloid therapies may slow disease progression—but they also carry serious risks, including brain bleeds and strokelike (...)

Nature

A photonic chip enables ultrabroadband wireless communication

mercredi 17 septembre 2025

Nature, Published online: 17 September 2025; doi:10.1038/d41586-025-02965-1Future wireless networks should exploit the full range of telecommunications frequencies. A photonic chip that can reconfigure a broad range of frequencies enables dynamic, full-spectrum management of next-generation (...)

Nature