The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Urea is a small molecule formed as proteins ...

Research has shown that the formation of stomach ulcers is associated with colonization of the stomach with Helicobacter pylori bacteria. A significant body of evidence exists demonstrating the link ...