Last month's "How It Works" story gave you the basics of the four-stroke cycle, describing the motion of the intake and exhaust valves in relation to the piston moving up and down in the cylinder.

The science pros at The King of Random show how to make a budget-friendly one-way check valve that works. Republicans unveil health care plan to counter Democratic bid to extend ACA subsidies Rachel ...

There is so much going on with internal combustion engines (ICEs) these days, it can give you a headache just reading about them. That's why we do the research for you and then cram it into bite-size ...