Phys.org news

Phys.org / Chemists just broke a 100-year-old rule and say it's time to rewrite the textbooks

UCLA chemists have found a big problem with a fundamental rule of organic chemistry that has been around for 100 years—it's just not true. And they say, It's time to rewrite the textbooks.

Oct 31, 2024 in Chemistry
Phys.org / Study gathers strong evidence of the doubly magic nature of ¹⁰⁰Sn

Recent experiments at CERN have shed new light on the nuclear properties of atomic nuclei (i.e., the central regions of atoms accounting for most of their mass). A key objective of recent research into atomic nuclei has been ...

Oct 31, 2024 in Physics
Phys.org / A novel state of thorium opens the possibility for a nuclear clock

Why are there atomic clocks but no nuclear clocks? After all, an atom's nucleus is typically surrounded by many electrons, so in principle it should be less susceptible to outside noise (in the form of light). A nucleus, ...

Oct 31, 2024 in Physics
Phys.org / Experiments demonstrate precise delivery of nanoparticles to lung via caveolae pumping system

In recent years, bio-medical engineers have been developing promising techniques that could help diagnose diseases or precisely target specific regions inside the human body. Among these promising therapeutic strategies are ...

Oct 31, 2024 in Nanotechnology
Phys.org / Mesoporous MoS₂ strategy boosts efficiency and stability of perovskite solar cells

The efficiency and performance of photovoltaics (PVs) have improved significantly over the past decades, which has led to an increase in the adoption of solar technologies. To further enhance the performance of solar cells, ...

Oct 31, 2024 in Nanotechnology
Phys.org / Theoretical framework could improve data gathering in biological systems

To effectively adapt to change, living organisms rely on their ability to rapidly detect and process sensory information in their surroundings. The sensory information available at a given time continuously changes, which ...

Oct 31, 2024 in Physics
Phys.org / Laser vibration sensing technology can detect landmines faster than previous techniques

Enough landmines are buried underground worldwide to circle Earth twice at the equator, but the identification and removal of these explosives is costly and time-consuming.

Oct 31, 2024 in Physics
Phys.org / Machine-learning analysis tracks the evolution of 16th-century European astronomical thought

A team of computer scientists, astronomers and historians in Berlin has used machine-learning applications to learn more about the evolutionary history of European astronomical thought in the 15th and 16th centuries. In their ...

Oct 31, 2024 in Astronomy & Space
Phys.org / Study shows bats have acoustic cognitive maps

Echolocating bats have been found to possess an acoustic cognitive map of their home range, enabling them to navigate over kilometer-scale distances using echolocation alone.

Oct 31, 2024 in Biology
Phys.org / Astronomers investigate the properties of open cluster NGC 2506

Astronomers from the University of Wisconsin–Madison and Harvard–Smithsonian Center for Astrophysics (CfA) have inspected a Galactic open cluster known as NGC 2506 as part of the WIYN Open Cluster Study. Results of the ...

Oct 31, 2024 in Astronomy & Space
Phys.org / AI method captures ecotourism photos to monitor remote animal species

A team of computer scientists, ecologists and statisticians at Stony Brook University, working with a colleague from the U.S. Geological Survey, has found that it is possible to use AI applications to find images captured ...

Oct 31, 2024 in Biology
Phys.org / The human spliceosome: Decade-long study reveals first blueprint of the most complex molecular machine inside every cell

Researchers at the Center for Genomic Regulation (CRG) in Barcelona have created the first blueprint of the human spliceosome, the most complex and intricate molecular machine inside every cell. The scientific feat, which ...

Oct 31, 2024 in Biology