The study of structural balance and dynamics in social networks addresses how the interplay of positive and negative relationships shapes the evolution of social systems. Rooted in classical theories ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." We all know that produce is a cornerstone of a healthy diet, but most of us aren't getting enough.

Artificial light at night is quietly shifting the planet’s carbon balance by increasing carbon release without boosting absorption.

A total of 412 participants took part in the study. Each person was placed in a virtual room and asked to imagine it as their ...

We all know that produce is a cornerstone of a healthy diet, but most of us aren't getting enough. Between busy schedules and zero time for meal prep, it's no wonder that fruit and vegetable powders ...

For Tycho's Scott Hansen, it all comes back to water. In particular, the American River, which flows near his hometown of Sacramento, California. The river, Hansen says, was his first introduction to ...

To the editor: Wolves are hardly an old nemesis (“Beautiful, deadly: Wolves stalk rural California,” April 21). They are the animals that keep other wild animals in check and in balance. They help to ...