One of the most basic tools for tinkering with electronics is a multimeter. Today, even a cheap meter has capabilities that would have been either very expensive or unobtainable back in the 1970s.

Test anxiety is something many students struggle with, but it’s often misunderstood. Most people think it’s caused by the pressure of limited time, tough material, or high expectations. However, as ...

Before a stress test, you’ll need to avoid food, drink, tobacco, and caffeine for a time. You may also have to stop taking some medications. Your doctor will provide information specific to you, but ...

It’s May. Hang around any high school—especially the junior class of any high school—and you will feel the torrent of teenage adrenaline and the nerves pulsing with test anxiety. SAT, ACT, AP exams, ...

This article was originally featured on The Conversation. Your blood serves numerous roles to maintain your health. To carry out these functions, blood contains a multitude of components, including ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...