Kids in elementary school learn—or are supposed to learn—how to add fractions and round numbers. But many students at the University of California, San Diego—a top public university ranked sixth ...

Thanks for following today's updates. Before we go, here's a recap of the main lines surrounding the tragedy in Hong Kong. At least 128 people have been killed and 79 injured after a fire tore through ...

Abstract: Bitcoin address clustering is a technique used for Bitcoin deanonymization to determine address ownership. It serves as a valuable method for assessing the level of anonymity within the ...

A decoy drone flies during a NATO live-fire demonstration of a counter-UAS system on November 18, 2025 in Nowa Deba, Poland. (Photo by Omar Marques/Getty Images) HALIFAX, Nova Scotia — European ...