Extremal graph theory seeks the largest or smallest structure a graph can exhibit under given constraints, typically by forbidding a particular subgraph. The classical Turán problem determines the ...

A high-tech executive I coached, Anna*, was told she had a “blind spot” just a year into her role. Her CEO admired her decisiveness, respected her clarity, and valued her confidence. At the same time, ...

The transmission is one of the most critical components in any motor vehicle. It's the mechanical bridge between the engine and the road. If it starts to fail, the entire driving experience can easily ...

Five steps to ensure that you don’t jump to solutions by Julia Binder and Michael D. Watkins When business leaders confront complex problems, there’s a powerful impulse to dive right into “solving” ...

Whenever someone sends me a question about how to fix their Wi-Fi, I wince. It’s not that I dislike helping people with their router problems. In fact, there are few geeky endeavors I find more ...

Heart valve diseases affect how blood flows through the heart muscle. Symptoms of heart valve disease can be subtle or develop slowly over time, with extreme fatigue often being the first sign.