Phys.org news

Phys.org / Study identifies key mechanism regulating how cells use fat to generate energy

An international study by scientists at the Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC) and the University of California, Los Angeles (UCLA) has identified a fundamental mechanism that regulates ...

3 hours ago
Phys.org / Genetic crossovers defy chromosome-length model in male and female mice

A Cornell-led study is challenging a decades-old explanation for how chromosomes exchange genetic material within the biological process that forms eggs and sperm in mammals.

2 hours ago
Phys.org / A new route to electrically controlled helimagnetic structures

Advanced magnetic memory and spintronic devices rely on the ability to control magnetic states using electricity. Today, such technologies work by manipulating relatively simple magnetic structures found in ferromagnets, ...

4 hours ago
Phys.org / Falling water levels trigger a surge in methane emissions from Mediterranean reservoirs

Continental aquatic ecosystems, such as lakes and reservoirs, occupy a small proportion of Earth's surface but play a significant role in the global carbon cycle. It is estimated that more than 40% of global methane emissions ...

2 hours ago
Phys.org / Shackleton's final ship is no longer just a sonar shadow

An expedition led by the Royal Canadian Geographical Society in partnership with Woods Hole Oceanographic Institution has obtained the first close-up images of the wreck of Quest, the last ship of famed Antarctic explorer ...

2 hours ago
Phys.org / AI can predict how you'll respond to a survey—but that's not the same as understanding you

What makes people change their minds or their behavior? Social scientists spend a lot of time thinking about this question, and experiments are one of the most powerful ways to answer it.

2 hours ago
Phys.org / Ancient fossil may reveal animal kingdom's earliest right-handedness at 550 million years old

Scientists have uncovered what may be the earliest evidence of "right-handedness" in the animal kingdom, dating back more than half a billion years. The discovery comes from the fossil record of Spriggina floundersi, an organism ...

7 hours ago
Phys.org / Hidden deep-sea turbulence could alter climate and fisheries within one lifetime

Tiny, invisible swirls and twirls—not much bigger than a coin—deep below the ocean's surface are silently shaping some of the biggest forces shaping our climate: sea level rise, fisheries collapse, extreme flooding and how ...

7 hours ago
Phys.org / Young giant gas planet Beta Pic B refuses to reveal its origin

The young planetary system of the 23-million-year-old star Beta Pictoris (short: Beta Pic) is regarded as an iconic circumstellar dust disk, which hosts at least three giant gas planets. Discovered in 2008 by direct imaging, ...

8 hours ago
Phys.org / Nanoplastics found in Antarctic soils for first time, suggesting long-range atmospheric transport

Microplastic contamination has been a much-discussed topic over the last several years, but contamination from even smaller plastic particles represents another pressing issue. Nanoplastics—defined as being under a micrometer ...

23 hours ago
Phys.org / How Fourth of July celebrations and the national political mood may shape psychedelic experiences

Psychedelic drugs are known to make people highly sensitive to their surroundings. In other words, a user's mindset and immediate environment heavily shape the entire trippy experience. In a study published in the journal ...

21 hours ago
Phys.org / Slowing Atlantic current could fuel stronger California atmospheric rivers by century's end

A slowing Atlantic Ocean current is projected to intensify powerful storms in California while reducing snowfall over Greenland, according to a recent University of California, Riverside study. The Atlantic Meridional Overturning ...

17 hours ago