You finally do the responsible adult thing: buy a fresh set of tires. The car feels tighter, grips better in the rain, and the steering has that “new shoes” confidence. Then you get on the highway and ...

Taking inspiration from Leonardo da Vinci's studies of friction, the 'sneaker squeak' question cuts to a deep problem in physics.

Top 10: Totally bizarre engines fitted to aircraft ...

Why the telephone is the most important technology you've stopped thinking about.