In this educational film, Mr. Grant explains the basics of electricity to Frank and Joan while repairing Joan's flashlight.

Ready to cross that electrical project off your to-do list? Understand wiring color codes so you can finish the job safely.

Unlike the last test you took in school, this one is fast and easy—and protects you from harm. An electrician explains how to ...

Neural circuits and the cells that comprise them represent the functional units of the brain. Circuits relay and process sensory information, maintain homeostasis, drive behaviors, and facilitate ...