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Tech Xplore / Social media can be addictive even for adults, but there are ways to cut back
Social media addiction has been compared to casinos, opioids and cigarettes.
Phys.org / Sometimes less is more: Messier nanoparticles may actually deliver drugs more effectively than tightly packed ones
The tiny fatty capsules that deliver COVID-19 mRNA vaccines into billions of arms may work better when they're a little disorganized. That's the surprising finding from researchers who developed a new way to examine these ...
Phys.org / How tuberculosis bacteria use a 'stealth' mechanism to evade the immune system
Scientists have uncovered an elegant biophysical trick that tuberculosis-causing bacteria use to survive inside human cells, a discovery that could lead to new strategies for fighting one of the world's deadliest infectious ...
Phys.org / A low-cost microscope to study living cells in zero gravity
As space agencies prepare for human missions to the moon and Mars, scientists need to understand how the absence of gravity affects living cells. Now, a team of researchers has built a rugged, affordable microscope that can ...
Phys.org / These shy, scaly anteaters are the most trafficked mammals in the world
They are hunted for their unique scales, and the demand makes them the most trafficked mammal in the world. Wildlife conservationists are again raising the plight of pangolins, the shy, scaly anteaters found in parts of Africa ...
Phys.org / Greenland ice melt surges unprecedentedly amid warming
A study led by the University of Barcelona and published in the journal Nature Communications shows that climate change has profoundly altered extreme episodes of melting in the Greenland ice sheet by making them more frequent, ...
Medical Xpress / Scientists discover why we know when to stop scratching an itch
When you scratch an itch, something tells your brain when to stop. That moment of relief, when scratching feels "enough," is not accidental. Scientists have now identified a key molecular and neural mechanism behind this ...
Phys.org / Algorithmic grading in class: What a study shows about extra student workload and privacy
As universities increasingly adopt digital tools and automated analytics systems, attention often centers on these tools' gains in accuracy and efficiency. Far less visible, however, is another critical dimension: the additional ...
Medical Xpress / New dietary guidelines prioritize 'real food'—but low-income pregnant women can't easily obtain it
The federal government's message in its new Dietary Guidelines for Americans, released in January 2026, couldn't be simpler: "Eat real food."
Medical Xpress / Do you need to worry about thyroid nodules?
Your thyroid is a small, butterfly-shaped gland in the front of your neck. Its main job is to produce thyroid hormones, which help regulate your body's metabolism and control your heart rate, body temperature, growth and ...
Tech Xplore / New perspective charts path to next-generation water and energy membranes
When you turn on a faucet, charge an electric vehicle or use products made with clean hydrogen, you may not realize that membranes—ultrathin films perforated with pores too small to see—make these modern processes possible. ...
Phys.org / For thousands of years, solar eclipses have been associated with the fate of rulers
The moon crossed the sun's path on February 17, causing what is known as an annular solar eclipse. The sun was not covered completely, but the moon blocked enough of its light to leave a fiery ring. Unless you're deep in ...
