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Tech Xplore / Cheaper thermoelectrics? Silver selenide approaches performance level of commercial materials

Thermoelectric (TE) materials, which can directly convert heat into electricity and vice versa, are attracting significant attention as key energy technologies for applications such as electronic cooling and waste heat recovery. ...

1 hour ago
Phys.org / Heat from traffic is contributing to rises in city temperatures, study finds

Scientists at The University of Manchester have developed a new way to measure how traffic contributes to rising urban temperatures, revealing that everyday vehicle use can play a measurable role in making cities warmer. ...

2 hours ago
Phys.org / A volcanic medley near Mammoth Lakes

Take a tour through volcanic history on the edge of the Sierra Nevada near Mammoth Lakes, California. Between the tall granite peaks to the west and the Basin and Range province to the east, overlapping volcanic complexes ...

2 hours ago
Phys.org / Triple threat emerges as sharks, beach nourishment and murky waters collide

Each winter, thousands of blacktip sharks (Carcharhinus limbatus) migrate to the clear, shallow waters off South Florida, where they are easily spotted from the air—a movement that coincides with seasonal beach nourishment ...

1 hour ago
Phys.org / Why doesn't the US recycle more plastic? Study points to lack of access

A new University at Buffalo study finds that people in the United States generate similar amounts of plastic packaging waste regardless of income, education level or where they live. Yet wealthier and more college-educated ...

6 hours ago
Medical Xpress / Some common IBS treatments are linked to a higher risk of death, say study

A large, long-term study led by Cedars-Sinai Health Sciences University investigators suggests that some medications commonly prescribed to treat irritable bowel syndrome (IBS)—including antidepressants—may be associated ...

6 hours ago
Phys.org / Ancient Romans were obsessed with a plant said to be a contraception and an aphrodisiac. Then one day, it went extinct

Roman leader Julius Caesar is said to have kept a stock of it in the treasury. Ancient writer Pliny the Elder says Rome's Emperor Nero owned the last stalk of it. And some have suggested rampant extramarital sex in elite ...

3 hours ago
Phys.org / Absinthe: What the ban on France's aromatic spirit teaches us about modern-day blaming and shaming

The potent emerald-green blend of wormwood, green anise and fennel, known as "the Green Fairy," was once celebrated by French society, including artists from Baudelaire to Van Gogh. By the early 1900s, France consumed more ...

1 hour ago
Phys.org / Artemis II astronauts make long-distance call to the space station as they head home from the moon

Still aglow from their triumphant lunar flyby, the Artemis II astronauts made more history Tuesday: calling their friends aboard the International Space Station hundreds of thousands of miles away as they headed home from ...

7 hours ago
Medical Xpress / Sequencing method exposes hidden gaps in immune signaling by tracking RNA and protein together

A new single-cell technology is giving scientists their clearest view yet of immune cell behavior—capturing not just genetic intent, but real-time activity. By measuring RNA and proteins simultaneously, it reveals cytokine ...

6 hours ago
Phys.org / Celestial wonders in Leo

Leo is a prominent sight for stargazers in April. Its famous sickle, punctuated by the bright star Regulus, draws many a beginning stargazer's eyes, inviting deeper looks into some of Leo's celestial delights, including a ...

1 hour ago
Medical Xpress / Is sitting with your legs crossed actually bad for you?

Most of us were told off at some point for how we sat. "Don't cross your legs, you'll ruin your knees." "You'll get varicose veins." "Sit properly." "Sit up straight."

4 hours ago