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Medical Xpress / Catheter ablation does not improve quality of life related to atrial fibrillation

Catheter ablation for atrial fibrillation (AF) did not significantly improve AF-related quality of life compared with a sham procedure, despite reducing AF recurrence. These were the main findings of the PVI-SHAM-AF trial ...

Aug 31, 2026
Phys.org / Ancient DNA reveals cacao was consumed in present-day Georgia 1,000 years ago

One of the world's favorite sweet treats, chocolate, may have been enjoyed in eastern North America much earlier than previously thought, about 1,000 years ago. New research published in the journal PLOS One suggests that ...

Aug 27, 2026
Phys.org / Researchers catch sharks off NY's Hamptons, attach trackers to toothy predators

Just off one of New York's famed Hamptons beaches, shark researcher Greg Metzger reels in one of the day's prize catches: a young but powerful sand tiger shark.

Sep 1, 2026
Tech Xplore / Light-powered soft robots that can keep jumping forever

Researchers from North Carolina State University have created teardrop-shaped soft robots that leap upward or forward when exposed to infrared light—and will keep jumping as long as the light is present. The work demonstrates ...

Aug 28, 2026
Medical Xpress / When danger becomes familiar, falling dopamine may free mice to pursue rewards

When an animal encounters a potential threat in its environment, it must focus completely on the danger to protect itself. But with repeated exposure, the threat becomes familiar and less important. The animal learns to adapt ...

Aug 31, 2026
Phys.org / Gamma-ray signal could be long awaited evidence for WIMPs

Dark matter is known to make up roughly 85% of all mass in the universe, as evidenced by the way galaxies spin and how galaxy clusters are held together under gravity. Yet despite decades of searching, physicists have never ...

Aug 25, 2026
Medical Xpress / Staff withdrawal threatens wildlife disease surveillance on Macquarie Island

Australia's Macquarie Island lies deep in the Southern Ocean, about 1,500 kilometers (930 miles) southeast of Tasmania. This World Heritage-listed sanctuary is a haven for species such as elephant and fur seals, penguins, ...

Sep 1, 2026
Medical Xpress / Targeting protein synthesis control regions may reduce seizures in genetic epilepsy

Targeting the control of protein synthesis in the KCNQ2 gene may serve as a potential disease-modifying strategy for patients with a genetic form of neonatal-onset epilepsy and impaired brain development, according to a Northwestern ...

Aug 31, 2026
Phys.org / Going beyond simple models of neural networks: Extended mean-field theory offers a better approach

Physics is most readily applied to relatively simple systems: a pendulum, two electrons colliding or the structure of the solar system. But when systems become complicated—when many particles interact with one another, in ...

Aug 27, 2026
Medical Xpress / Hidden immune cells in the lung could lead to better flu vaccines

Influenza continues to cause major illness each year in the United States, leading to more than 35,000 deaths annually. Children, older adults, pregnant individuals, people with weakened immune systems and those with chronic ...

Aug 31, 2026
Phys.org / How do you get middle schoolers to eat more fruit? Give them smoothies

At lunchtime in rural Maine middle schools, University of Maine researchers stood at two points in the cafeteria.

Sep 1, 2026
Medical Xpress / Safer stroke prevention strategies are needed for patients with atrial fibrillation after intracranial hemorrhage

Edoxaban did not reduce stroke or systemic embolism but increased major bleeding in high-risk patients with atrial fibrillation who had had an intracranial hemorrhage, according to results presented in a Hot Line session ...

Aug 31, 2026