Number theorists are always looking for hidden structure. And when confronted by a numerical pattern that seems unavoidable, they test its mettle, trying hard—and often failing—to devise situations in ...

Physicists have debated which way a submerged sprinkler sucking in water would spin. Careful experiments provide an answer.

This is an updated version of a story first published on May 5, 2024. For many high school students returning to class, it ...

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Monica Cepak has a go-to interview question that tells her a lot about a job candidate: What's the hardest problem you've ever solved at work, and how did you reach a solution? The question itself is ...

The question goes: "A bat and a ball cost $1.10 in total. The bat costs $1.00 more than the ball. How much does the ball cost?" Is your knee-jerk response that the ball costs 10 cents? That is a ...

That question, which feels ubiquitous if you're anywhere in the vicinity of the Great Golf Discourse in 2023, might seem ludicrous because the answer seems obvious: Of course, it does! In fact, the ...

AI isn’t always the answer — companies often overbuild flashy solutions when simpler fixes work better, wasting time, money and trust. Most AI project failures I have seen do not announce themselves ...

“Should I have kids?” is an age-old question, but the urgent context we find ourselves in today isn’t, as we climb rapidly toward 1.5° Celsius (2.7° Fahrenheit) of warming above pre-industrial levels ...