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Phys.org / How does gold keep its glitter? Researchers uncover why it resists tarnish

Gold has been prized for thousands of years for its enduring shine, but Tulane University researchers have discovered that gold's resistance to tarnishing depends on more than its chemistry.

21 hours ago
Phys.org / Why some antibiotics fail in the body—pH conditions can dramatically change how bacteria respond

When researchers test whether an antibiotic will work, they usually do so in a controlled laboratory environment. But when an infection happens inside the human body, things aren't so clean and tidy. New research from the ...

17 hours ago
Medical Xpress / Can AI help predict how you might be feeling in the future?

From the weather to sports to the performance of the stock market, predictions are a regular feature of our lives. Most of these sectors rely on past data and models that can give us a decent sense of what to expect in the ...

9 hours ago
Tech Xplore / Six minutes to recharge? Battery advance could rewrite what fast charging means for electric cars

Researchers at Adelaide University have discovered a promising new strategy that could deliver fast battery charging. The team, led by Professor Shi-Zhang Qiao, an ARC Industry Laureate Fellow in the University's School of ...

19 hours ago
Phys.org / Researchers transform paper sludge into valuable biofuels

Researchers have demonstrated that different types of paper industry sludge, typically treated as a low-value waste, can be transformed into a high-yield renewable biofuel. The study, published in Biofuels, Bioproducts and ...

10 hours ago
Medical Xpress / Duration of depression may influence how severely the disease alters the brain

Depression affects about 5.8% of the Brazilian population and presents a wide range of symptoms, intensities, and durations. A study published in Scientific Reports involving patients with major depressive disorder demonstrated ...

17 hours ago
Medical Xpress / 'Origami' method could speed up diagnosis of neurodegenerative disease

Researchers have developed a technique that can identify errors caused by mutations linked to a range of genetic disorders, including forms of muscular dystrophy, Huntington's disease and amyotrophic lateral sclerosis (ALS), ...

17 hours ago
Phys.org / Extraterrestrial life may be slipping past space missions, astrobiologists warn

Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature Astronomy, researchers discuss the consequences of these so-called false-negative results. "We ...

21 hours ago
Medical Xpress / The bigger the reward, the faster we learn, researchers find

Scientists long assumed that learning speed depends primarily on our experience—how many times we try and succeed—not the size of the reward. We become better at poker because we keep playing and winning, regardless of the ...

18 hours ago
Tech Xplore / 3D-printed speaker cover can focus audio into a private 'sound spot'

Music lovers may one day be able to blast their favorite artists, headphone-free, without angering the neighborhood or colleagues, thanks to researchers at Penn State. The team designed a system that can manipulate sound ...

19 hours ago
Phys.org / Unusual nonlinear thermoelectric effect appears in chiral tellurium, confirming theoretical predictions

An unusual thermoelectric effect has been observed in the semiconductor tellurium by RIKEN physicists for the first time. This demonstration points to the potential of similar materials to be used in applications such as ...

19 hours ago
Medical Xpress / Smartphone data predict smoking cravings and lapses, with potential to treat addiction and other conditions

Minuscule movement patterns collected from smartphones and often undetectable to humans have been used to predict cravings and compulsive behaviors with groundbreaking accuracy—potentially offering timely and bespoke treatment ...

16 hours ago