Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. I consider myself ...

Temperature conversion represents one of the most frequently encountered mathematical operations in academic science, yet traditional methods often prove cumbersome during time-pressured examinations.

This nifty trick is useful to get the hang of, especially if you like trying out new recipes often. Once you get it down, you won't forget it.