Learn about the negative correlation coefficient, its significance, comparison with other coefficients, and real-world ...

Learn how the law of demand demonstrates the inverse relationship between price and demand, impacting consumer choices and ...

More than a century after Srinivasa Ramanujan scribbled his astonishing formulas for π in notebooks in India and England, ...

Researchers across the globe put on their sleuthing hats this year to provide answers to questions that have lingered from decades to centuries. The thought-provoking findings offer new ways of ...

When police questioned Marvin Margolis following the murder of Elizabeth Short — who became known as the Black Dahlia — he lied about how well he had known her. The 22-year-old Short had been found ...

President Trump and New York Mayor-elect Zohran Mamdani met in the White House and largely avoided criticizing each other, despite trading barbs for the last few months. Photo: Yuri ...

Last month, two journalists decoded part of the famous Kryptos sculpture in front of the CIA building. It’s the latest news in the cryptography world, as ciphers continue to attract code crackers in ...

At least two U.S. presidents — Theodore Roosevelt and Jimmy Carter — personally conducted negotiations that led to peace agreements between warring nations. Both negotiations resulted in Nobel Prizes ...

Prosecutors on Long Island say they’ve arrested and charged a suspect for the 1984 rape and murder of 16-year-old Theresa Fusco. They say a smoothie cup discarded by the suspect had DNA that matched ...

Correlation coefficients range from -1 to +1, indicating the strength of relationships between variables. Investors use correlation coefficients for portfolio diversification to reduce risk.

“The Carpool Detectives,” a true crime mystery that reads like a novel, begins in the liminal moment before the COVID-19 pandemic shut down the country and concludes on an upbeat note two and a half ...

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 ...