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Phys.org / Activated learning-and-memory protein forms growing molecular chains, imaging reveals

Researchers at the Nano Life Science Institute (WPI-NanoLSI) at Kanazawa University, Kyoto University, SOKENDAI and the National Institute for Physiological Sciences have revealed how CaMKIIα—a key brain protein involved ...

9 hours ago
Phys.org / Two spike 'keys' work together to let SARS-CoV-2 enter cells, study reveals

To enter cells, the COVID-19 virus fuses its surrounding membrane with the membrane of the target cell. This is where the fusion peptides of the spike protein come into play. These regions function as molecular keys that ...

9 hours ago
Phys.org / Using sound waves to turn iron and water into magnetic nanoparticles

Iron rusts on its own, slowly, over months or years. Now, researchers at Tohoku University have found a way to compress the process of metal reacting with water to form oxide, taking mere hours and using nothing more than ...

9 hours ago
Phys.org / Fossil plankton shells reveal reduced nitrogen fixation in warmer oceans 3 million years ago

Nitrogen is a key nutrient because it fuels the growth of plankton, which forms the basis of the marine food web. Two opposing processes determine the global nitrogen cycle: nitrogen fixation and denitrification.

4 hours ago
Tech Xplore / Ferroelectric material that's stable at near-atomic thickness reveals new route to low-power electronics

Electronics engineers worldwide have been trying to develop increasingly smaller components that can store and process information while consuming less energy. Ferroelectric materials, which possess spontaneous electrical ...

17 hours ago
Phys.org / Japanese supercomputer simulations may explain Webb's Little Red Dots

Of all the discoveries from the James Webb Space Telescope, the multitude of Little Red Dots it has observed is among the most enigmatic. Now, simulations using the Japanese Supercomputer ATERUI III have explained the nature ...

12 hours ago
Medical Xpress / REM and deep sleep, not just total sleep time, associated with disease risk

Greater amounts of REM and deep sleep were associated with lower risks of dozens of diseases, and less than 5 hours of total sleep was associated with high disease risks, according to a new study published Sept. 17 in the ...

10 hours ago
Phys.org / Amazonian study identifies most effective ways of conserving biodiversity and carbon

As the 2026 El Niño intensifies across the Amazon, new research highlights the urgent need to better protect the region's remaining forests from disturbances.

10 hours ago
Medical Xpress / Teaching the immune system to control HIV

There is no cure for HIV. While scientists have made considerable progress in controlling the infection, patients still must take daily antiretroviral medication for the rest of their lives. Results from a clinical trial ...

9 hours ago
Phys.org / Threatened bumblebee populations in England and Wales face severe genetic declines

A new study reveals that an important pollinator is rapidly losing genetic diversity in Britain. Moss carder bumblebees were once widespread across the UK, living in flower-rich meadows, marshes and heathlands, where they ...

10 hours ago
Phys.org / Robots grow and package lettuce year-round in Norway's fully automated farm

Norway's first fully automated facility for vegetable production was put into operation last fall. This spring, the first products hit store shelves.

3 hours ago
Phys.org / Close-up images show defects locking electrons into stable Wigner solids

A team of researchers led by the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) developed an approach that enabled them to directly observe how electrons interact with defects in advanced ...

7 hours ago