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Phys.org / Well-known planetary nebula's ear-like lobes rewrite its evolutionary timeline

Using the Multi Unit Spectroscopic Explorer (MUSE) and the Manchester Echelle Spectrograph (MES), astronomers from Turkey and Mexico have investigated a planetary nebula discovered two centuries ago, known as NGC 6563. Results ...

9 hours ago
Phys.org / Human sacrifice in Inca Empire may have been driven by political motives, not religion

Three decades ago, researchers working atop the Llullaillaco volcano, located on the border between Argentina and Chile, discovered exceptionally well-preserved remains. The find included the mummified bodies of three children ...

12 hours ago
Medical Xpress / Clues to psilocybin's epigenetic effects on people with alcohol use disorder

Some psychedelics, psychoactive substances that alter people's mood, perceptions and mental processes, were recently found to be promising alternative treatments for some mental health disorders. The substance that has attracted ...

13 hours ago
Phys.org / Nanoscale CoAl design delivers 6 GPa strength with 15% plastic strain at room temperature

Materials engineers have developed the ability to manipulate structure and matter at the nanoscale for solid-state alloys called intermetallics, making it possible to alter their properties for improved performance.

7 hours ago
Phys.org / Engineered bacterial spores reveal new protein targets for enzymes and vaccines

A remarkable quality of bioengineering is that scientists can take biological processes honed by millions of years of evolution and use them to efficiently create drugs, chemicals and other products to improve our lives. ...

5 hours ago
Tech Xplore / New study shows one in seven people have been victims of sextortion—and AI is making it worse

The Australian eSafety Commissioner recently launched a new campaign to raise awareness of sexual extortion, or "sextortion." Targeted primarily at men, the campaign features AI-generated videos of attractive women attempting ...

2 hours ago
Medical Xpress / Performing under pressure? For athletes, it depends on 3 key things

Why do some people seem to thrive under pressure while others seem to fold or crumple?

2 hours ago
Phys.org / The giant viruses that orchestrate life in the polar regions

Viruses play a major role in the functioning of ecosystems. They profoundly influence the dynamics of microbial communities, the flow of matter and global biogeochemical cycles. Yet despite their abundance and ecological ...

2 hours ago
Phys.org / Modular nanorobot self-assembles, targets cancer cells and cuts viability

A team at the University of Basel, Switzerland, has developed a versatile nanorobot with propulsion and payload modules. The two reusable modules autonomously self-assemble and could be used in medicine or industry.

8 hours ago
Tech Xplore / Light-controlled microgripper bridges the gap between precision and force

For some time, researchers have used optical tweezers to manipulate tiny objects with incredible precision, using carefully controlled beams of laser light. So far, however, this technique has always come with strict limits ...

14 hours ago
Medical Xpress / Single amino acid change may help viruses jump from bat to human

Most pandemics start when a pathogen spreads from animals to humans. It's a leading explanation for the COVID-19 pandemic: The SARS-CoV-2 virus, which causes COVID-19, is a cousin of coronaviruses that live in bats.

5 hours ago
Phys.org / Quantum mechanics theory may work without imaginary numbers, new analysis suggests

Physicists from Heinrich Heine University Düsseldorf (HHU) have examined a fundamental property of quantum mechanics in collaboration with the German Aerospace Center (DLR). In an article published in the journal Physical ...

4 hours ago