Phys.org news

Phys.org / How bacteria learned to target numerous cell types

Viruses attack nearly every living organism on Earth. To do so, they rely on highly specialized proteins that recognize and bind to receptors on the surface of target cells, a molecular arms race that drives constant evolution. ...

18 hours ago in Biology
Phys.org / Natural magnetic materials can control light in unprecedented ways

Imagine shining a flashlight into a material and watching the light bend backward—or in an entirely unexpected direction—as if defying the law of physics. This phenomenon, known as negative refraction, could transform ...

21 hours ago in Physics
Phys.org / AI streamlines deluge of data from particle collisions

Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have developed a novel artificial intelligence (AI)-based method to dramatically tame the flood of data generated by particle detectors at ...

19 hours ago in Physics
Phys.org / New class of catalysts could dramatically change playing field in nickel catalysis

Researchers at the University of Illinois Urbana-Champaign have reported a breakthrough in nickel catalysis that harnesses a rare oxidation state of nickel that has proved challenging to control yet is highly valued for its ...

18 hours ago in Chemistry
Phys.org / NASA fuels its moon rocket in a crucial test to decide when Artemis astronauts will launch

NASA fueled its new moon rocket in one final make-or-break test Monday, with hopes of sending astronauts on a lunar fly-around as soon as this coming weekend.

19 hours ago in Astronomy & Space
Phys.org / Air pollution causes social instability in ant colonies, triggering attacks on returning nest mates

A research team from the Max Planck Institute for Chemical Ecology has shown in a new study that ants returning from habitats affected by air pollution are attacked when they re-enter the colony. The cause: air pollution, ...

19 hours ago in Biology
Phys.org / AI mapping reveals over 20,000 malaria protein interactions across parasite life cycle

An international research team headed by scientists from Nanyang Technological University, Singapore and the Center for Structural Systems Biology and Bernhard-Nocht Institute for Tropical Medicine in Germany has revealed ...

18 hours ago in Biology
Phys.org / Bigger is not always better: Smaller leaves optimize light use in soybeans

In efforts to better understand how soybean plants capture and use light, researchers at the University of Illinois Urbana-Champaign investigated how leaf size and shape affect light distribution within the crop canopy. Using ...

18 hours ago in Biology
Phys.org / A clearer look at critical materials, thanks to refrigerator magnets

With an advanced technology known as angle-resolved photoemission spectroscopy (ARPES), scientists are able to map out a material's electron energy-momentum relationship, which encodes the material's electrical, optical, ...

21 hours ago in Physics
Phys.org / Analyzing an enigmatic enzyme with potential for new antibiotic drug discovery

An analysis of an unusual enzyme could result in a new generation of antimicrobial medicines to counter antibiotic resistance. Key details in the enzyme-driven biosynthesis of a natural molecule with potent antibiotic activity ...

19 hours ago in Chemistry
Phys.org / Perseverance rover completes first AI-planned drive on Mars

NASA's Perseverance Mars rover has completed the first drives on another world that were planned by artificial intelligence. Executed on Dec. 8 and 10, and led by the agency's Jet Propulsion Laboratory in Southern California, ...

21 hours ago in Astronomy & Space
Phys.org / As Rubin's survey gets underway, simulations suggest it could find about six lunar-origin asteroids per year

Most near-Earth asteroids are thought to drift in from the main asteroid belt. But a small subset may have a much closer origin: the moon. One intriguing example is 469219 Kamoʻoalewa (2016 HO3), an Earth quasi-satellite ...

21 hours ago in Astronomy & Space