Phys.org news

Phys.org / Genetic analysis reveals kinship in ancient Moche sacrifice

Harvard University-led researchers investigated an elite Moche burial group at Huaca Cao Viejo, uncovering new details on kin-based status within Moche society. The evidence centers on four generations of a family dated to ...

Dec 27, 2024 in Other Sciences
Phys.org / Study sheds more light on the nature of compact symmetric object DA 362

Indian astronomers have performed a multiwavelength study of a gamma-ray emitting compact symmetric object known as DA 362. Results of the study, presented in a research paper published December 17 on the pre-print server ...

Dec 27, 2024 in Astronomy & Space
Phys.org / Astronauts face unique visual challenges at lunar south pole

Humans are returning to the moon—this time, to stay. Because our presence will be more permanent, NASA has selected a location that maximizes line-of-sight communication with Earth, solar visibility, and access to water ...

Dec 27, 2024 in Astronomy & Space
Phys.org / Light-driven method creates molecular fit that would otherwise be impossible

Exploiting an ingenious combination of photochemical (i.e., light-induced) reactions and self-assembly processes, a team led by Prof. Alberto Credi of the University of Bologna has succeeded in inserting a filiform molecule ...

Dec 27, 2024 in Nanotechnology
Phys.org / How monkeys recognize snakes so quickly

Dr. Nobuyuki Kawai from Nagoya University in Japan has found that the rapid detection of snakes by monkeys is because of the presence of snake scales as a visual cue. His findings highlight an evolutionary adaptation of primates ...

Dec 27, 2024 in Biology
Dialog / Advancing unidirectional heat flow: The next era of quantum thermal diodes

Heat management at the nanoscale has long been a cornerstone of advanced technological applications, ranging from high-performance electronics to quantum computing. Addressing this critical challenge, we have been deeply ...

Dec 27, 2024 in Physics
Phys.org / NASA's Parker Solar Probe survives close brush with the sun's scorching surface

NASA's Parker Solar Probe has successfully made the closest approach to the sun, the space agency confirmed Friday.

Dec 27, 2024 in Astronomy & Space
Phys.org / Convergent evolution: stick and leaf insects share 20 body features

A team of biologists in Montana and Germany has found that, regardless of type, those insects that express a protective stick- or leaf-like appearance all evolved the same basic body parts. In their study, published in the ...

Dec 27, 2024 in Biology
Phys.org / Scientists uncover insights into neuron function by simultaneously measuring two key signals in living animals

Researchers from Kyushu University have developed an innovative technique to non-invasively measure two key signals, membrane voltage and intracellular calcium levels, at the same time, in neurons of awake animals. This new ...

Dec 27, 2024 in Biology
Phys.org / Researchers reveal changes in geometry and kinematics of the broad-line region in active galactic nuclei

Dr. Feng Haicheng from the Yunnan Observatories of the Chinese Academy of Sciences, along with his collaborators, has made progress in studying the geometrical and kinematical evolution of the broad-line region (BLR) in active ...

Dec 27, 2024 in Astronomy & Space
Phys.org / Researchers discover role of absorptive aerosols in wintertime haze formation

Aerosol light absorption plays a crucial role in regulating the heat balance between the atmosphere and Earth's surface. This happens through two main mechanisms: the aerosol direct effect, where aerosols absorb solar radiation, ...

Dec 27, 2024 in Earth
Phys.org / Fish-friendly dentistry: New method makes oral research non-lethal

Can we examine the teeth of living fish and other vertebrates in detail, repeatedly over time, without harming them?

Dec 26, 2024 in Biology