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Tech Xplore / 'Spin-flip' in metal complexes opens a path beyond solar cell efficiency limits

In the fight against climate change, solar power is a promising alternative to fossil fuels. Every second, Earth receives an enormous amount of energy from the sun. Yet solar cells capture only a fraction of it, constrained ...

Mar 25, 2026
Tech Xplore / Plasma and lemon juice: Milder method retrieves nearly 95% of critical minerals in battery waste

Critical minerals such as those used in lithium-ion batteries come in limited supply and are concentrated in specific regions around the world. Securing a reliable supply of these materials is a priority for governments worldwide, ...

Mar 25, 2026
Tech Xplore / Artificial pain sensing gets closer: One memristor links heat and touch responses

An international research team has reported an artificial nociceptor system that captures the temperature-dependent threshold modulation of biological nociceptors. Published in Advanced Functional Materials under the title ...

Mar 26, 2026
Phys.org / Moby Dick 'ship sinking' sperm whales caught headbutting on camera

New research from the University of St Andrews reports sperm whales headbutting one another. The behavior was captured on film and described scientifically for the first time, confirming accounts by 19th century mariners ...

Mar 23, 2026
Phys.org / Discovery of genetic switch could help turn rice into a perennial crop

Rice is a vital crop that feeds more than half of the world's population. In the wild, many rice species are perennials that live for several years, but the varieties we eat today are typically annuals that must be replanted ...

Mar 23, 2026
Medical Xpress / Early results from a trial of active surveillance for low-risk ductal carcinoma in situ are 'reassuring'

Researchers leading a trial of active surveillance for ductal carcinoma in situ (DCIS) have described early results as "reassuring" in a presentation at the 15th European Breast Cancer Conference (EBCC15) in Barcelona.

Mar 26, 2026
Medical Xpress / Global maternal deaths fell in 2023, but more than 100 countries still fall short of maternal mortality target: Study

Global maternal deaths have declined over the past three decades, yet progress has slowed in recent years and remains uneven across countries, according to new Global Burden of Disease (GBD) 2023 research published in The ...

Mar 26, 2026
Phys.org / Arctic winter sea ice matches record low for the second year in a row, say scientists

For the second consecutive year, winter sea ice in the Arctic reached a level that matches the lowest peak observed since satellite monitoring began in 1979. On March 15, Arctic sea ice extent reached 5.52 million square ...

Mar 26, 2026
Tech Xplore / Dust-resilient perovskite solar cells could cut manufacturing costs and expand green energy worldwide

Research appearing in Communications Materials has shown that perovskite solar cells (PSCs) are remarkably resilient to dust during production, challenging the industry belief that high-performance solar technology must be ...

Mar 25, 2026
Phys.org / How soil microbes may control the future of our planet

The soil beneath our feet is a huge carbon bank storing up to approximately three times more carbon than the entire atmosphere. That makes it a significant player in the future of our climate. If even a small fraction of ...

Mar 23, 2026
Phys.org / If the Laschamps geomagnetic excursion happened today, aviation radiation exposure would be radically altered

Earth's magnetic field acts as a vital shield against radiation arriving from space, but it is not constant. A new international study has examined how a reduction of the magnetic field similar to the Laschamps excursion ...

Mar 25, 2026
Phys.org / Topological solitons power a chip-scale frequency comb source

Caltech scientists have developed a new way to produce optical frequency combs—important tools in devices that keep time and measure distances very precisely—at the chip scale, an advance that should make it easier to incorporate ...

Mar 25, 2026