All News

Phys.org / Info to decipher secret message in Kryptos sculpture at CIA headquarters sells for close to $1M

The information needed to decipher the last remaining unsolved secret message embedded within a sculpture at CIA headquarters in Virginia sold at auction for nearly $1 million, the auction house announced Friday.

Nov 22, 2025 in Other Sciences
Phys.org / Researchers uncover the source of widespread 'forever chemical' contamination in North Carolina

An environmental chemistry laboratory at Duke University has solved a longstanding mystery of the origin of high levels of PFAS—so-called "forever chemicals"—contaminating water sources in the Piedmont region of North ...

Nov 20, 2025 in Earth
Phys.org / Dusty star-forming galaxy at high redshift discovered

An international team of astronomers reports the discovery of a new dusty star-forming galaxy at high redshift. The newfound galaxy, designated AC-2168, was detected using the Atacama Large Millimeter/submillimeter Array ...

Nov 20, 2025 in Astronomy & Space
Dialog / Hydrogenases spill the beans: Key catalytic moves revealed

Hydrogenases catalyze the reversible splitting and production of hydrogen gas (H2), using complex catalytic cofactors comprising Earth-abundant nickel and/or iron ions. These enzymes, especially the [NiFe]-hydrogenases (fig. ...

Nov 22, 2025 in Chemistry
Phys.org / LHAASO conducts all-sky search for exploding primordial black holes

Primordial black holes (PBHs) are black holes theorized to have formed shortly after the Big Bang. Compared to black holes emerging from collapsing stars, PBHs could have very different masses, ranging from very small to ...

Nov 20, 2025 in Astronomy & Space
Tech Xplore / Engineers repurpose a mosquito proboscis to create a 3D printing nozzle

When it comes to innovation, engineers have long proved to be brilliant copycats, drawing inspiration directly from nature. But now some scientists are moving beyond simple imitation to incorporating natural materials into ...

Nov 20, 2025 in Engineering
Medical Xpress / New research confirms HPV vaccination prevents cervical cancer

Two new reviews show strong and consistent evidence that HPV vaccines are effective in preventing cervical cancer and pre-cancerous changes, especially when given to young people before they are exposed to the virus. The ...

Nov 23, 2025 in Obstetrics & gynaecology
Medical Xpress / Not all immune cells are created equal: Memory T cells in tissues outlast those in blood

Memory T cells are a special type of white blood cell that "remember" past infections and vaccines, helping our bodies to quickly respond if we encounter the same germs again. These cells are found throughout the body: some ...

Nov 22, 2025 in Immunology
Phys.org / Richest Iron Age burial assemblage in Southern Levant discovered at Horvat Tevet

A recent study by Dr. Omer Peleg and his colleagues examined the unique 7th-century BCE (Iron IIC) cremation burial assemblage discovered at Horvat Tevet. The assemblage is the richest and most diverse burial assemblage found ...

Nov 20, 2025 in Other Sciences
Medical Xpress / Nighttime phone use linked to higher levels of suicidal thoughts in high-risk adults

Patterns of smartphone use and their impact on mental health are being extensively studied due to the growing dependence of the device in people's lives.

Nov 20, 2025 in Psychology & Psychiatry
Phys.org / Biodegradable mulching film can protect plants without pesticides or plastics

Whether you're a home gardener or an industrial farmer, you might be familiar with mulching films—plastic sheets laid over the soil to protect seedlings and promote crop growth. But like many other plastic materials, these ...

Nov 21, 2025 in Biology
Medical Xpress / Aging alters the protein landscape in the brain—diet can counteract it, say researchers

As we age, the composition and function of proteins in the brain change, affecting how well our brain performs later in life—influencing memory, responsiveness, and the risk of neurodegenerative diseases.

Nov 20, 2025 in Neuroscience