It’s the theorem every mathematician believes in — yet no one can prove it. For decades, the brightest minds have tried and failed to explain why something so clearly true sits forever beyond reach.

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Back in 1971, the late physicist Stephen Hawking made an intriguing prediction: The total surface area of a black hole cannot decrease, only increase or remain stable. So if two black holes combine, ...

Discovery joins a list of the greatest hits of the LIGO detector, which ten years ago became the first to detect gravitational waves. The songs of the cosmos, now that we can finally hear them, might ...

Cognitive dissonance happens when you hold two conflicting thoughts in your mind at the same time — like loving both hamburgers and cows. Cognitive dissonance is a theory in social psychology first ...

People hold candles and sing during a memorial and prayer vigil for Charlie Kirk at the John F. Kennedy Memorial Center for the Performing Arts in Washington, D.C., on Sunday. (Credit: Rod Lamkey, Jr.

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Dakari Quimby, PhD, is a Clinical Assistant Professor of Psychiatry & Behavioral Sciences at the University of Southern California. School funding based on property values leads to underfunded, ...

Once a century, a very special day comes along. That day is today — 9/16/25. Pi Day (3/14) often comes with sweet treats; Square Root Day (4/4/16 or 5/5/25, for example) has a certain numerical rhyme.