Insufficient physical activity (PA) among children has become a major global public health concern. The family environment ...

Background Early graft failure within 90 postoperative days is the leading cause of mortality after heart transplantation. Existing risk scores, based on linear regression, often struggle to capture ...

As linear TV declines, Instagram, TikTok and YouTube push social video onto TV screens to capture new viewers and ad dollars, ...

Late in 2024, astronomers spotted a new near-Earth asteroid named 2024 YR4. By mid-2025, its improved orbit tracking raised ...

The Environmental Protection Agency (EPA) cracked down on lead-based products—including lead paint and leaded gasoline—in the 1970s because of its toxic effects on human health. Scientists at the ...

This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

Ninety-three countries are represented across 16 sports. Here's how interested viewers can keep up with overseas events.

Abstract: In this article, we are concerned with the problem of distributed state estimation for discrete-time linear systems using a network of agents, where the measurement of each agent suffers ...

A study finds that many organs may begin aging faster at two ages. Here, experts explain what this means and how to stay ...

Intrinsic neural attractors and extrinsic environmental inputs jointly steer the dynamic trajectories of brain activity ...

Discover how hourly clauses in reinsurance limit coverage by timeframe, benefit reinsurers, and see real-world examples of their application in catastrophe insurance.