While each product featured is independently selected by our editors, we may include paid promotion. If you buy something through our links, we may earn commission. Read more about our Product Review ...

When you purchase an independently reviewed book through our site, we earn an affiliate commission. By Eugenia Cheng COUNTING How We Use Numbers to Decide What Matters By Deborah Stone The title of ...

A version of this puzzle originally appeared in the October 1960 issue of Scientific American. What’s the Most Distant Galaxy ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A lot of people dislike math, but neuroscientist Brian Butterworth remembers one young man who ...

The idea of an animal that can count or do math might sound like something out of a viral news story or TikTok video. But a sense of quantity, sometimes called "numerosity," appears across a ...

It’s easy for kids to see math as an isolated activity. They might think of math as just counting, or adding, or something they do for 40 minutes a day at school. If we want kids to think like ...

Help D.C. with number sentences and ten frames, then learn about groups of up to 20. Join Mrs. Gray for a Mystery Math Mistake with D.C. He needs help figuring out his number sentences to match ten ...

YouTuber Kevin Lieber (who hosts the popular Vsauce2 series) has brought a classic math magic trick back from its ‘90s heyday. In the video, Lieber walks viewers through a magic trick where they ...

Most famous equation: Einstein's E = mc2, which means energy is equal to mass times the speed of light squared. Known digits of pi: More than 105 trillion digits Digits of pi NASA uses for equations: ...

When the arithmetic-performing celebrity horse Clever Hans was exposed as a phony in 1907, we lost faith in the math skills of our animal kin. But new research shows Clever Hans’ owner should have ...