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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 ...

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 ...

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.

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 ...

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 ...

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 ...

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, ...

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 ...

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 ...

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 ...

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

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 ...