Ever seen a biker signal mid-ride and wondered what it meant? These lesser-known gestures reveal how riders stay safe and in ...

Bionic arms used to cost more than a new car. Today, that's no longer the case. Unlimited Tomorrow is making 3D-printed prosthetics available for under $8,000 and doing it without sacrificing quality, ...

The extended left arm would have been familiar to older and more experienced drivers, some of whom likely used such a signal in their early car-driving years. A right turn was indicated by placing one ...

I've been asking a variety of people to determine when turn signals were mandated on new automobiles and trucks, but no one seems to have an authoritative answer. Can you help? -- M.P., Willowbrook, ...

It’s a pretty basic part of driving a car but many motorists seem blissfully ignorant of it. ‘Mirror-signal-manoeuvre’ is one of the first things taught to new motorists - making sure that other road ...