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Tech Xplore / Programmable 3D-printed filaments mimic artificial muscles with heat-driven bending and twisting

Nature is replete with slender filaments that bend and coil—from climbing grape vines, to folded proteins, to elephant trunks that can pick up a peanut but also take down a tree.

8 hours ago
Phys.org / Neolithic fur production: A 7,000-year-old pit with beaver remains discovered near Alsleben

In advance of the construction of the SuedOstLink high-voltage direct current transmission line, archaeological investigations were carried out in the Salzland district by the State Office for Heritage Management and Archaeology ...

9 hours ago
Phys.org / Observing exotic quasiparticle states in kagome superconductor CsV₃Sb₅

A research team led by Prof. Hao Ning of the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, in collaboration with Anhui University and the University of Science and Technology of China, has identified ...

10 hours ago
Medical Xpress / Your nose may be the gateway to a stronger immune system

At the moment, an influenza vaccine called FluMist is the only licensed intranasal vaccine approved for use in humans. The vaccine is administered through a spray of fluid in the nose, rather than with an injection.

9 hours ago
Phys.org / Spintronics at BESSY II: Real-time analysis of magnetic bilayer systems

Spintronic devices enable data processing with significantly lower energy consumption. They are based on the interaction between ferromagnetic and antiferromagnetic layers. Now, a team from Freie Universität Berlin, HZB and ...

4 hours ago
Phys.org / The most common planets in the galaxy don't appear around the most common stars, TESS observations suggest

Astronomers now estimate there is at least one planet for every star in our galaxy. These worlds, called exoplanets, are planets that orbit stars outside our solar system. But new research from McMaster University reveals ...

10 hours ago
Phys.org / Environmental DNA in NYC's East River reveals clues about nearby human and animal residents

Sequencing environmental DNA—or eDNA—from the East River in New York City can effectively monitor human diets and local wildlife, as well as the river's fish populations, report Mark Stoeckle and Jesse Ausubel of The Rockefeller ...

9 hours ago
Medical Xpress / Experiments advance efforts to restore vision with transplanted neurons

Researchers at Johns Hopkins Medicine say they have successfully demonstrated that disrupting an eye structure long suspected of blocking the growth and survival of transplanted nerve cells may help restore vision in people ...

9 hours ago
Medical Xpress / Mental defeat can worsen chronic pain, researchers say

U.K. resident Fiona McNiven can tell you how chronic pain can wear a person down, as she spent more than three decades battling muscle and neuropathic pain.

3 hours ago
Phys.org / Stealthing survivors grapple with a 'gray area' of sexual violation

Nonconsensual condom removal by an intimate partner falls into a gray area of sexual violence, a traumatic experience that exposes survivors to health risks, which they are often expected to manage alone without medical assistance ...

3 hours ago
Phys.org / Antibodies need a strong core—not just grip—to fight SARS-CoV-2

An international research team has identified a previously overlooked factor that influences how antibodies neutralize SARS-CoV-2: their mechanical stability under force. Antibodies are key components of the immune system ...

4 hours ago
Phys.org / Molecular quantum nanosensors reveal temperature and radical signals inside living cells

Researchers at the National Institutes for Quantum Science and Technology (QST), Japan, and The University of Tokyo, Japan, in collaboration with Kyushu University, Japan, have developed a new class of biocompatible molecular ...

9 hours ago