Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Recently, we had the privilege of bringing nine kittens from Guardian Animal Medical Center to a local fifth grade classroom for a hands-on lesson in animal behavior.  The goal: teach students about ...

Our basement bedroom has a huge desktop computer that we never use except to dust. Why are we keeping it? A recent CNET survey found that nearly a third of us are hoarding old electronics, because ...

An oscillator is a mathematical model that can be used to identify trends and patterns that could point to specific market conditions. Read on to learn more.

Here's a look at how the College Football Playoff bracket looks based on the CFP selection committee's first top 25 rankings of the 2025-26 college football season, as announced on Tuesday, Nov. 4.