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Phys.org / Azide-to-diazo reaction unlocks safer path to versatile nitrogen-rich compounds

In the world of organic chemistry, nitrogen-containing organic compounds are ubiquitous, forming the backbone of pharmaceuticals, agrochemicals, dyes, and functional materials. To build these important molecules, chemists ...

May 1, 2026
Phys.org / Green alley effectiveness depends on design and purpose, study finds

Green alleys—residential laneways redesigned to enhance residents' quality of life, boost social cohesion and improve biodiversity—are gaining traction in cities across North America. But as the concept spreads, it remains ...

May 2, 2026
Science X / The keyboard trap: Why your best arguments are failing online

While 84% of people prefer to type out a disagreement, new research involving 1,842 conversations reveals that the "safer" choice is actually fueling social friction. In an era of digital flame wars and rising political partisanship, ...

Apr 29, 2026
Phys.org / When the Schuylkill swallowed the city: Lessons from Hurricane Ida's historic flood

New Penn research shows that Hurricane Ida wasn't a once-in-a-century anomaly but a preview of how climate change, urbanization, and aging infrastructure are rewriting flood risk.

May 1, 2026
Phys.org / Long-term study of COVID lockdown and family life shows unexpected, lasting effects on fatherhood

In the years following the COVID-19 pandemic, much has been said about how the lockdowns created conditions for dual-parent families to spend more time at home with their children. In an ideal vision of family life, this ...

May 1, 2026
Phys.org / Bacterial defense system builds DNA in unexpected new way to stop viruses

Scientists at Stanford University have discovered that DRT3, a unique defense system found in bacteria, creates DNA to protect against viral infections. DRT3 is made up of two different enzymes called reverse transcriptases, ...

Apr 27, 2026
Tech Xplore / Computer vision helps observers understand how iconic artworks were created

Paintings are often made up of thousands of tiny brushstrokes, each going in a certain direction, that are not easily observed by the viewer. A cross-disciplinary research team from the Penn State College of Information Sciences ...

May 1, 2026
Phys.org / Quantum computing's next dark horse emerges from a frozen surface, where almost nothing behaves as expected

Quantum bits (qubits) are the fundamental building blocks of quantum information processing. A novel qubit platform invented at the U.S. Department of Energy's (DOE) Argonne National Laboratory exhibits noise levels thousands ...

Apr 30, 2026
Medical Xpress / Skull microchannels reveal hidden route for brain immune defense

A study led by Rafael Gallareto-Sande, a predoctoral researcher at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), provides new insights into a network of tiny blood vessels within the cranial bones ...

May 1, 2026
Medical Xpress / Excessive cholesterol in astrocytes linked to cognitive decline in Alzheimer's mice

Alzheimer's disease (AD) is a neurodegenerative disorder that leads to progressive memory loss and a decline in mental functions. Several past studies have linked this disease to the accumulation of the protein amyloid-β ...

Apr 28, 2026
Tech Xplore / A new type of optical chip cuts static power while enabling electrical reprogramming

As technology advances, and the demand for faster, higher-bandwidth, and more energy-efficient data processing continues to grow, scientists and engineers search for ways to improve electronic systems. One avenue they have ...

May 1, 2026
Medical Xpress / A gene that keeps intestinal stem cells stable offers insight into how tissues repair themselves

Years before he conducted the research that would earn him a Nobel Prize in Physiology and Medicine, Shinya Yamanaka, MD, Ph.D., was a postdoctoral scientist at Gladstone Institutes, studying genes. There, he helped discover ...

Apr 30, 2026