We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Annie Chou Annie Chou is a writer covering home office, cameras, and games.

Number enthusiasts may be looking to the new year with a touch of melancholy. Another perfect square like 2025 (45 2 = 2,025) won’t occur again until 2116 (46 2 = 2,116). The year 2027 will be a prime ...

If you’ve ever played peekaboo with your little one, you’ve helped them work on object permanence. Your baby is learning that people and objects exist even when they can’t see or hear them. Object ...

Movie stars are usually the biggest draw to movies for fans. They are usually who get the most credit for the popularity of a movie (as well as the blame when a movie bombs). On rare occasions, there ...

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, ...

Bill McColl has 25+ years of experience as a senior producer and writer for TV, radio, and digital media leading teams of anchors, reporters, and editors in creating news broadcasts, covering some of ...

You often have to make quick judgments about the number of objects you encounter in the world. You might see a group of people walking toward you. It is useful to know whether there are roughly five, ...

A mysterious woman came to be known on Reddit as Celebrity Number Six. She told us she is not sure how to feel about the sudden crush of attention. By Madison Malone Kircher Leticia Sarda is 43 and ...