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Phys.org / How the body senses cold has been a mystery—until now

When you reach into a bucket of ice, open your front door on a snowy day, or feel the tingle of menthol toothpaste, a protein in your nerve cells called TRPM8 springs into action, opening like a tiny gate to send a "cold" ...

17 hours ago
Phys.org / Amazon wildfire emissions may be up to three times higher than estimated

Fires are a recurring phenomenon in central South America, often intensified by drought and deforestation. In 2024, wildfire activity reached its highest levels in 20 years, affecting vast areas of the Amazon rainforest and ...

15 hours ago
Phys.org / Contaminated aquatic sediments can be remediated on site using new methods

The bottom sediment of water bodies is an archive of all human activity. It is a reservoir of nutrients but also of harmful substances—and it can also turn into a source of emissions. "Most lakes tend to be remediated due ...

8 hours ago
Phys.org / Samuel Pepys censored his links to slavery, new study reveals

The fact that Samuel Pepys owned at least two enslaved people in 17th-century London is no secret. In some of his personal letters he was unashamedly open about this. In September 1688, he told a ship's captain that neither ...

9 hours ago
Medical Xpress / New medicine piggybacks onto fat absorption pathways to allow oral delivery in major depressive disorder

Monash University and Seaport Therapeutics have developed a new approach to delivering drug molecules that piggybacks onto natural fat absorption pathways to allow oral delivery of some drugs previously requiring injection. ...

15 hours ago
Medical Xpress / How inflammation may prime the gut for cancer

Chronic inflammation can raise a person's risk of cancer, and a new study reveals key details about how that might happen in the gut and points to better ways to identify and reduce risk. Scientists at the Broad Institute ...

17 hours ago
Phys.org / Cactus catalog could help plant's prickly problem

With almost a third of cacti species threatened with extinction, a new open-access database of cactus ecology and evolution could help scientists and conservationists save species from the brink.

16 hours ago
Tech Xplore / Graphene receivers bring energy-efficient 6G hardware closer to reality

Thanks to the 5th generation (5G) technology, we now enjoy unprecedented levels of connectivity. Nevertheless, wireless data traffic is facing an increasing demand for an even higher capacity and faster data transfer—a ...

16 hours ago
Phys.org / Now you see it, now you don't: Material can transition between quantum states

A team of scientists led by the U.S. Department of Energy's (DOE) Argonne National Laboratory has identified a rare, switchable quantum property in a new type of nickel sulfide material. The discovery could have applications ...

18 hours ago
Tech Xplore / Harvesting heat and electricity from the sun, when you need it

Solar energy is abundant and frustratingly ill-timed. A sunbeam can become either electricity (useful for running modern life) or heat (useful for keeping spaces warm). But conventional solar hardware is single-minded: Photovoltaic ...

16 hours ago
Medical Xpress / Fiber in whole wheat foods protects against gut inflammation in mice, research finds

Enriching the diet with wheat fiber protects mice against intestinal inflammation, according to a study published by researchers at the Institute for Biomedical Sciences (IBMS) at Georgia State University. The finding helps ...

15 hours ago
Phys.org / Dancing to invisible choreography, quantum computers can balance the noise

Large-scale quantum computers are waiting in the wings. One of the main reasons we don't have them yet is because quantum hardware is so noisy. This isn't the type of noise you'd want to shush in a crowded theater. When it ...

17 hours ago