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Phys.org / Understanding intrinsically disordered protein regions and their roles in cancer

Every function in a cell is associated with a particular protein or group of proteins, typically in a well-defined three-dimensional structure. However, intrinsically disordered regions of proteins defy this structure-function ...

4 hours ago in Biology
Phys.org / Mercury pollution in marine mammals is increasing, new study finds

In 2017, a new global treaty was meant to bring mercury pollution under control. But three decades of data from UK harbor porpoises show mercury is still increasing, and is linked to a higher risk of dying from infectious ...

4 hours ago in Biology
Medical Xpress / Brain circuit controlling compulsive behavior mapped

Researchers at Karolinska Institutet in Sweden have identified a brain circuit that can drive repetitive and compulsive behaviors in mice, even when natural rewards such as food or social contact are available. The study ...

3 hours ago in Psychology & Psychiatry
Medical Xpress / Stenting reduces stroke risk in people with carotid artery narrowing, study finds

An international study led by Mayo Clinic researchers has found that for people with severe carotid artery narrowing who haven't experienced recent stroke symptoms, a minimally invasive procedure called carotid artery stenting, ...

4 hours ago in Neuroscience
Tech Xplore / Carbon electrode enables 1-Wh-class stacked lithium-air battery with enhanced output and lifespan

A joint research team from NIMS and Toyo Tanso has developed a carbon electrode that enables stable operation of a 1-Wh-class stacked lithium-air battery, achieving higher output, longer life and scalability simultaneously.

4 hours ago in Energy & Green Tech
Phys.org / Nanoflowers rejuvenate old and damaged human cells by replacing their mitochondria

Biomedical researchers at Texas A&M University may have discovered a way to stop or even reverse the decline of cellular energy production—a finding that could have revolutionary effects across medicine.

4 hours ago in Nanotechnology
Phys.org / Male green hermit hummingbirds: Bills evolved for battle

Let's get one thing out of the way: All hummingbirds fight. Most species fight for food, using their tiny bodies and sharp bills to force competitors away from flowers. But the green hermit hummingbird, which lives primarily ...

4 hours ago in Biology
Phys.org / Synthesizing stable, open-chain amines with nitrogen-based chirality

A research team from Prof. Benjamin List's department at the Max Planck Institut für Kohlenforschung has solved a long-elusive riddle of chemistry: the synthesis of stable, open-chain amines that carry their chirality on ...

4 hours ago in Chemistry
Phys.org / Unlocking the genome's hidden half with new DNA sequencing technology

Cornell researchers have found that a new DNA sequencing technology can be used to study how transposons move within and bind to the genome. Transposons play critical roles in immune response, neurological function and genetic ...

4 hours ago in Biology
Phys.org / Biodegradable mulching film can protect plants without pesticides or plastics

Whether you're a home gardener or an industrial farmer, you might be familiar with mulching films—plastic sheets laid over the soil to protect seedlings and promote crop growth. But like many other plastic materials, these ...

4 hours ago in Biology
Phys.org / Protein droplets in the nucleus guard against cancer, researchers discover

Scientists at the Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, have discovered how a gene-regulating protein forms tiny liquid-like droplets inside the cell nucleus (the compartment that stores and manages ...

5 hours ago in Biology
Phys.org / Artificial cartilage mimics natural flexibility with adjustable structure

A Washington State University research team is working to create an artificial cartilage that is similar to natural cartilage with a recipe that can be corrected along the way.

5 hours ago in Chemistry