John Brown wasn’t just an abolitionist—he was a man willing to use violence to end slavery. This video explores the Harper’s Ferry raid, why it happened, and why it terrified the nation. It explains ...

black carbon in the form of particulate matter (PM2.5). Produced by the incomplete combustion of fossil fuels and biomass, black carbon causes air pollution, not just leading to numerous health issues ...

You probably don’t need more time. By Jancee Dunn When I look back on all the major decisions I’ve dithered over, I could scream. It took me a decade to commit to becoming a parent. I wavered for a ...

A mathematician at Carnegie Mellon University has developed an easier way to solve quadratic equations. The mathematician hopes this method will help students avoid memorizing obtuse formulas. His ...

Time to test your brain! Are you a puzzle person? Most of these hard math problems aren’t straightforward arithmetic. They challenge you to look at problems a different way, testing your logic and ...

Masaki Kashiwara has won the 2025 Abel prize, sometimes called the Nobel prize of mathematics, for his work on algebraic analysis. Kashiwara, a professor at Kyoto University, Japan, received the award ...

Blackstone’s QTS data center complex under development in Fayetteville, Georgia. Photo: Getty Images If you think tech companies are booming, take a look at data center providers. Buoyed by ...

X says it is creating a new profile label to signify accounts that are parodies of a person or entity. The company says it “designed these labels to increase transparency and to ensure that users are ...