Ecology Sep 10, 2024

Thanks to humans, Salish Sea waters are too noisy for resident orcas to hunt successfully

The Salish Sea—the inland coastal waters of Washington and British Columbia—is home to two unique populations of fish-eating orcas, the northern resident and the southern resident orcas. Human activity over much of the ...

Cell & Microbiology Sep 5, 2024

Algorithm maps protein degradation patterns to improve infection diagnosis and treatment

Peptides are small fragments of proteins, mainly found in the skin and mucous membranes. Some peptides act as a barrier, protecting the body against infections by fighting off microorganisms like bacteria, viruses, and other ...

Optics & Photonics Sep 9, 2024

Scientists prove long-standing wave amplification theory

Physicists at the University of Southampton have tested and proven a 50-year-old theory for the first time using electro-magnetic waves. They have shown that the energy of waves can be increased by bouncing "twisted waves"—those ...

Archaeology Sep 9, 2024

Archaeologists challenge theory of violent Steppe invasion in Iberia Peninsula

A study by the Universitat Autònoma de Barcelona (UAB) and the University of Murcia (UM) challenges the theory that warrior groups with a "Steppe" genetic component originating from Eastern Europe violently replaced the ...

Social Sciences 15 hours ago

Data show trust in police declined among Black Chicago residents after Jacob Blake shooting

Survey data collected from Chicago, Illinois at the time of the 2020 police shooting of Jacob Blake in nearby Wisconsin shows that trust in police plummeted among Black residents after the shooting. Jonathan Ben-Menachem ...

Cell & Microbiology Sep 4, 2024

Brazilian researchers discover key gene regulating virulence of fungus that causes severe lung infections

A group of Brazilian researchers has found a potential target for novel therapeutic strategies to combat fungal infections—more specifically, those caused by Aspergillus fumigatus. An article reporting the discovery is ...

Bio & Medicine Sep 5, 2024

Nature-based filtration material could remove long-lasting chemicals from water

Water contamination by the chemicals used in today's technology is a rapidly growing problem globally. A recent study by the U.S. Centers for Disease Control found that 98% of people tested had detectable levels of PFAS, ...

Analytical Chemistry Sep 9, 2024

New Mo carbide catalysts show high stability and activity in CO₂ conversion

Molybdenum (Mo) carbides, known for their unique electronic and structural properties, are considered promising alternatives to noble metal catalysts in heterogeneous catalysis. However, traditional methods for preparing ...

Molecular & Computational biology Sep 4, 2024

Researchers find genetic variant for speed of hair graying, susceptibility to skin melanoma in horses

Graying with age is a common coat color variant in horses, characterized by progressive hair graying and susceptibility to skin melanoma. In a new study published in Nature Communications, an international consortium led ...

Cell & Microbiology Sep 6, 2024

Scientists uncover mechanism preserving centromere during cell division

Scientists have solved a decade-long question about the mechanism that preserves the centromere, the hub that ensures DNA divides correctly during cell division.

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