Oh, America. You do so confuse the rest of the world, with your “pounds per square inch” and “cups”, instead of sensible ...

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 ...

212°F is the boiling point of water at sea level. The scale is widely used in the United States, some Caribbean countries, and a few others. It remains common in weather reports, household ...

LOUISVILLE, Ky. — News of COVID-19 vaccines and deployments have taken over the headlines in recent weeks, and various numbers have been thrown at us: the efficacy, how many doses are needed, and ...

Fahrenheit is superior because it is more descriptive in human livable conditions. There's more subtlety to it than Celsius. There are more whole number points in human livable conditions in ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...