Using a relatively young theory, a team of mathematicians has started to answer questions whose roots lie at the very beginning of mathematics.

For Mr. Santos, math can also inspire ideas about structures that have already been built — a new way to see and appreciate the world. Inspired by this idea, The New York Times created a virtual tour ...

Since their discovery in 2004, the grid cells in the brain, which are important for our orientation, have been regarded as a kind of "GPS in the head." However, scientists at the German Cancer ...

Learn the core practice of dividing a broad market into distinct subsets of consumers based on shared characteristics.

The Press Democrat, your source for NFL, Raiders and 49s news in Sonoma, Napa, Mendocino and Lake. Get real-time updates from Santa Rosa to the Bay ...

What's CODE SWITCH? It's the fearless conversations about race that you've been waiting for. Hosted by journalists of color, our podcast tackles the subject of race with empathy and humor. We explore ...

September 26, 2025 • David St. Hubbins and Nigel Tufnel, of the legendary rock band, talk about their long-awaited reunion, plus what they really think about Paul McCartney.