Phys.org news

Phys.org / Could the solution to the carbon problem be carbon itself?

Can we use carbon to help decarbonize the world and transform the energy and chemical industries? Yes, it seems, but there are some key challenges to overcome first.

17 hours ago in Chemistry
Phys.org / Isotope-based method can detect unknown selenium compounds

Although present in very small amounts, selenium (Se)-based compounds play important roles in protecting the body from oxidative stress, regulating thyroid hormones, strengthening the immune system, and even detoxifying heavy ...

15 hours ago in Chemistry
Phys.org / Hormone-free plant regeneration method works for multiple crops

Researchers at Wageningen University & Research (WUR), working in close collaboration with KeyGene, have developed a method that enables plant cells to regenerate into complete plants without the need for added hormones.

16 hours ago in Biology
Phys.org / How fish embryos first regulate their genes

A RIKEN researcher and his colleague have identified how genes are expressed in fish embryos when they first start using their own genetic material. If the same mechanisms apply to humans, they could shed light on developmental ...

16 hours ago in Biology
Phys.org / Reprogrammed poplar trees can make key industrial chemical for biodegradable plastics

A team led by scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory has engineered poplar trees to produce valuable chemicals that can be used to make biodegradable plastics and other products. ...

17 hours ago in Biology
Phys.org / Explainable AI and turbulence: A fresh look at an unsolved physics problem

While atmospheric turbulence is a familiar culprit of rough flights, the chaotic movement of turbulent flows remains an unsolved problem in physics. To gain insight into the system, a team of researchers used explainable ...

19 hours ago in Physics
Phys.org / AI traces prehistoric trade routes of Europe's prized 'green gemstone' trade

A multidisciplinary team of Spanish and Portuguese archaeologists and artificial intelligence experts has combined non-destructive archaeological measurement techniques, machine learning and explainable artificial intelligence ...

18 hours ago in Other Sciences
Phys.org / Scientists get a first look at the innermost region of a white dwarf system

Some 200 light years from Earth, the core of a dead star is circling a larger star in a macabre cosmic dance. The dead star is a type of white dwarf that exerts a powerful magnetic field as it pulls material from the larger ...

19 hours ago in Astronomy & Space
Phys.org / Machine learning beats classical method in predicting cosmic ray radiation near Earth

Cosmic rays are high-energy particles that constantly bombard Earth from space and are influenced by the sun's magnetic activity. When the sun is active, fewer of these particles reach Earth; when the sun is quiet, more are ...

17 hours ago in Astronomy & Space
Phys.org / Little bettongs' dramatic nut-cracker performance

Native Australian animals range from high-hopping kangaroos to fast-running emus—but clever little bettongs also have a special ability to find and eat the food they love.

18 hours ago in Biology
Phys.org / Chinese telescope captures 155 high-frequency bursts from fast radio burst 20240114A

Using the Tianma Radio Telescope (TMRT), researchers from the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy of Sciences conducted 66 simultaneous dual‑frequency (2.25 GHz/8.60 GHz) observations of the ...

18 hours ago in Astronomy & Space
Phys.org / Shark and ray diversity is declining, challenging previous assumptions

A team of international researchers led by the University of Vienna have investigated the development of shark and ray biodiversity over the past 100 million years. Their surprising results show a continuous decline in diversity ...

19 hours ago in Biology