How can you have a proof without proving anything? Mathematicians found a way and, in the process, came to blows over it – ...

I'd like to introduce a little idea for beginners. Whether at work or in your private life, don't you ever get lost thinking, "Hmm, where was that folder again...?" or spend time frantically searching ...

Kendra Pierre-Louis: For Scientific American’s Science Quickly, I’m Kendra Pierre-Louis, in for Rachel Feltman. In 1997, Deep Blue, a supercomputer built by IBM, did the unexpected: it defeated chess ...

"I wonder if it's okay to ask this... but they look so busy..." I want to ask a question while my senior is writing patient records, but I can't bring myself to speak up. Even when I pass a senior in ...

Abstract: This note presents an asynchronous distributed active secure control strategy with a safe mode to address the consensus issue for a leader–follower multiagent system (MAS) under ...

Kids can be hard to figure out sometimes, while at one point they are happy and responding, another they can be all weepy and sad. Many parents express their frustration about these things only ...

It is circle time in an integrated preschool classroom. A four-year-old boy named Ronan is feeling excited. His teacher just introduced a new center to him and his classmates: light table. The teacher ...

Get ready for a challenge. The 14 puzzles below are a mix of riddles, logic problems, and word games, but they all have one thing in common: They'll take brainpower to solve. Keep reading to see if ...