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Phys.org / Chemists make elusive carbon-bridged sandwich molecule once thought too strained to exist

Progress in chemistry is often gradual, with some of its most important advances taking years—sometimes decades—to unfold. A case in point is the discovery of a novel "ferrocenophane" from the class of compounds known as ...

24 minutes ago
Phys.org / 3D-printable elastic polymer proves surprisingly strong and durable

EPFL researchers have discovered that a soft material originally optimized for 3D printing may solve a longstanding challenge in materials science: making 3D-printable elastomers both tough and durable.

45 minutes ago
Medical Xpress / Microglia mechanism reveals why brain's stroke repair window closes

Stroke is one of the leading causes of long-term disability worldwide and often results in impairments in movement, speech and cognition. While rehabilitation helps patients regain some lost functions, the brain's natural ...

25 minutes ago
Medical Xpress / Secondhand smoke independently disrupts children's sleep

A new study from Ben-Gurion University of the Negev (BGU) has found that children exposed to secondhand smoke have significantly poorer sleep quality and greater sleep fragmentation, independent of the severity of their breathing ...

56 minutes ago
Phys.org / Atoms tell different stories when light hits a molecule in trillionths of a second

Researchers have captured how a molecule redistributes energy after absorbing light, differentiating the roles of individual atoms in the process. They used X-ray flashes from the European XFEL to show that different atoms ...

5 minutes ago
Tech Xplore / New method extends practical range of high-frequency wireless beam control

Princeton University researchers have found a way to extend the near-field range for sub-terahertz wireless systems using off-the-shelf hardware. By using multiple synchronized arrays, the team achieved advanced near-field ...

44 minutes ago
Phys.org / Widely-used method for assessing stream health doesn't work very well

A new study finds a widely used technique for assessing the health of freshwater streams is not effective at detecting a range of water quality problems, including those related to acidity, oxygen levels and the presence ...

35 minutes ago
Medical Xpress / New insights into neuron–microglia interactions during brain aging

Researchers at the University of Tsukuba have identified small nuclear fragments known as micronuclei while studying neurons in aged mice. They demonstrated that microglia—the brain's resident immune cells—take up these micronuclei, ...

4 minutes ago
Phys.org / The US just approved a giant space mirror to test 'sunlight on demand.' Low Earth orbit is getting weird

A giant mirror to create "sunlight on demand" was just approved by the United States Federal Communications Commission (FCC), despite opposition from astronomers and the public, and real safety concerns.

58 minutes ago
Medical Xpress / Ureters stay visible for hours with dye designed to vanish through kidneys

A cross-disciplinary research team led by Hongjie Dai, director of the Materials Institute of Life Sciences and Energy (MILES) at the University of Hong Kong (HKU) in Shenzhen, has developed a promising near-infrared (NIR) ...

44 minutes ago
Phys.org / Big bees have the most to lose as global CO₂ levels rise: New research

Pollinators—including bees, flies, wasps, moths, butterflies and some nectar-loving birds—are a cornerstone of our natural environment. By helping plants reproduce, they keep our ecosystems healthy and ensure we can grow ...

5 minutes ago
Medical Xpress / Four ways to help your teen (and yourself) spend more time away from devices

Is your child addicted to their phone? Clinical psychologist Dr. Danielle Einstein reveals the warning signs to look out for—and four simple strategies to help you swap out screen time for family time.

45 minutes ago