A grade-school math problem has stumped people. Can you solve the equation?

My wife and I have two kids, “Justin,” 4, and “Bayley,” who is turning 7 next month. Bayley wants one of those inflatable ...

Discover the abacus, a historic tool still vital in math, accounting, and education. Learn its usage, relevance today, and ...

A world of self-improving machines has lived in fiction for more than a century. What gives that old fear new force now is ...

Here are some hints to help you win NYT Connections #1,056.