Phys.org news

Phys.org / Human childbirth is not uniquely difficult among mammals

Human childbirth is commonly viewed as uniquely difficult and dangerous. The reason: The combination of bipedalism and large brains creates a tight fit between the baby and the birth canal. Research at the University of Vienna ...

8 hours ago
Phys.org / Bright blazar reveals 433-day optical quasi-periodic oscillation across nine years

By analyzing the data from the Whole Earth Blazar Telescope (WEBT), an international team of astronomers has discovered optical quasi-periodic oscillation (QPO) in a bright quasar known as 3C 454.3. It is so far one of the ...

15 hours ago
Phys.org / Despotic primate societies rarely play as adults, analysis of 37 species reveals

Although about half of primate species play as adults with other adults, a team of international researchers has just unlocked a key factor in the reason why some don't. The answer lies in the type of society in which the ...

9 hours ago
Phys.org / The fog is alive: Droplets host bacteria that clear toxins from our air

What if fog isn't just misty air, but a living ecosystem? This question hung over cloud researcher Thi Thuong Thuong Cao. As a Ph.D. student at Arizona State University, her curiosity led her from knocking on the doors of ...

9 hours ago
Phys.org / Wine's leftovers could help wean chicken farms off antibiotics

Every year, millions of gallons of wine are pressed, leaving behind a mountain of pulpy residue—grape skins, seeds, stems and peels—that wineries struggle to dispose of. Now, researchers say this overlooked byproduct could ...

10 hours ago
Phys.org / Scientists dispute hypothesis that climate change will unleash massive agricultural pest populations

The widespread hypothesis that climate warming will result in unprecedented agricultural pest populations and cause food insecurity worldwide is oversimplified, according to a new study by a team led by Mia Lippey, an entomologist ...

9 hours ago
Dialog / Novel technique measures polymer degradation during cathodic overprotection

Oil and natural gas are vital constituents of our energy ecosystem that need to be transported across long distances. Although steel pipelines are the infrastructure used for this purpose, thereby serving as the lifeline ...

8 hours ago
Phys.org / Meet the whistling mice that use inflatable air sacs to sing

Mice do more than just squeak when they want to make a noise. They can also sing. And the way they do it is different from most mammals that produce sounds by vibrating their vocal cords. When Alston's singing mouse (Scotinomys ...

16 hours ago
Phys.org / Atoms vibrate on circular paths—with an unexpected twist

An international team of researchers, including scientists from HZDR and Fritz Haber Institute of the Max Planck Society, for the first time directly observed how angular momentum is transferred and conserved within a crystal ...

16 hours ago
Phys.org / Work songs can improve team coordination, study finds

Work songs, musical pieces designed to be performed or sung while working, have been widely documented across various cultures and in different historical periods. For instance, people in different nations have been known ...

18 hours ago
Phys.org / Molecular glue could hijack cells' natural machinery to help treat diseases

Proteins do most of the work in our body's cells. But when a protein is too active or does not function properly, it can lead to disease or other health problems. Researchers from the University of Toronto have discovered ...

9 hours ago
Phys.org / 'Calm' galaxy cluster hides a violent cosmic scene that took 4 billion years to settle

The galaxy cluster Abell 2029 is sometimes described as "the most relaxed cluster in the universe." This moniker does not arise from some sort of mellow vibe, but rather because of how calm and undisturbed the superheated ...

10 hours ago