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Medical Xpress / The brain's primitive 'fear center' is actually a sophisticated mediator, research reveals

A Dartmouth study challenges the conventional view that the amygdala—the two-sided structure deep in the brain involved in emotion, learning, and decision making—is simply the brain's primitive "fear center," reflexively ...

Feb 24, 2026 in Psychology & Psychiatry
Tech Xplore / Successfully commercializing novel solar cells: When records are not enough

It is not easy to bring new technologies from the laboratory to market. Researchers and companies face very different demands for new developments and do not always find common ground. Scientists at Empa and other institutions ...

Feb 24, 2026 in Energy & Green Tech
Tech Xplore / The latest advances in pyrochlore oxide-based dielectric energy storage technology

Pyrochlore oxides—a class of advanced dielectric materials—represent a promising next-generation approach to efficient energy storage. Their structural flexibility and tunable chemical composition make them prime candidates ...

Feb 25, 2026 in Energy & Green Tech
Phys.org / Peatland lakes in Congo Basin release carbon that is thousands of years old

Researchers at ETH Zurich have now discovered for the first time that large blackwater lakes in the extensive peatlands of the central Congo Basin are releasing ancient carbon. To date, climate researchers had assumed that ...

Feb 23, 2026 in Earth
Phys.org / Novel structural insights into Phytophthora effectors challenge long-held assumptions in plant pathology

How do evolutionarily conserved pathogen effectors maintain structural stability while engaging diverse host targets? In a new study published in Molecular Plant Microbe Interactions, researchers at the University of Pretoria's ...

Feb 25, 2026 in Biology
Phys.org / Automated catalyst testing uses two coordinated robots, cutting 32 days of work to 17 hours

A technology has been developed that uses robots rather than humans to evaluate the performance of newly developed catalysts. By operating 45 times faster than manual work while also improving precision, it is expected to ...

Feb 23, 2026 in Chemistry
Tech Xplore / Local water supply crucial to success of hydrogen initiative in Europe, study shows

Green hydrogen is considered to be an important part of the global climate transition, especially as a fuel and energy carrier for heavy transport and industry. However, large-scale green hydrogen production requires sustainable ...

Feb 25, 2026 in Business
Medical Xpress / Meningococcal B vaccination does not reduce gonorrhea, trial results show

Contrary to existing evidence from observational studies, the meningococcal B vaccine (4CMenB) has no effect on preventing the acquisition of gonorrhea, according to the results of the world's largest randomized control trial ...

Feb 25, 2026 in Vaccination
Phys.org / Source or sink? Trees with heart rot disease emit more methane, upending forest carbon models

Throughout their lifetimes, healthy forests produce more oxygen than they use, while taking in greenhouse gases via plants and soils. This ecosystem-wide service, called carbon sequestration, regulates global climate and ...

Feb 25, 2026 in Biology
Phys.org / Methane's missing emissions: The underestimated impact of small sources

Methane is a potent greenhouse gas, with an impact estimated at 80 times that of CO₂. Although efforts are being made to reduce the contribution of big polluters to methane in Japan, new research from Osaka Metropolitan ...

Feb 24, 2026 in Earth
Phys.org / Too much transparency can hurt financial markets

These days, transparency is a financial buzzword. Opening the curtains on the operations of financial markets is supposed to help investors and regulators make better decisions. But sometimes transparency can backfire, according ...

Feb 25, 2026 in Other Sciences
Phys.org / NASA moves its Artemis II moon rocket off the launch pad for more repairs

NASA moved its grounded Artemis moon rocket from the launch pad back to its hangar Wednesday for more repairs.

Feb 25, 2026 in Astronomy & Space