Heart rate variability is one of the main things your smartwatch or fitness tracker measures. Here's what it means.

In most mammals, females live longer than males, but in birds the trend goes the other way – a study of over 1000 species ...

Do you ever wonder why leaves change in the fall and what determines the colors that they change to? It's kind of like swapping out your summer T shirt for *** snazzy winter coat. They're really ...

Researchers at Baylor College of Medicine have developed a powerful new data analysis method named COOKIE-Pro (Covalent ...

This paper presents important new findings about the impact of the TAK-003 vaccine against dengue based on a convincing reanalysis of trial data. The results corroborate those of the original trial ...

The primary work of an experimental model basin is the estimation, with reasonable accuracy, of the resistance and horse-power of full-sized ships from experiments with small and inexpensive models.

Learn how to use the High-Low Method to separate fixed and variable costs efficiently. Discover its applications, limitations, and how to calculate costs.

Few studies examine how severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) tests assist or hinder efforts to prevent illness, hospitalisations, or people dying. Due to weak evidence, we’re ...

The Trump administration says it has a deal to save the popular video app, which by law must find a new, non-Chinese owner or face a ban in the United States. By Sapna Maheshwari Amanda Holpuch and ...

Discover how demographic dividend drives economic growth through changing age structures, boosting productivity, and increasing savings and human capital.