Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Want tour-level distance control with your wedges? This three-step guide will help you dial in these key scoring clubs.

Having good neighbors can be very valuable—even in the atomic world. A team of Amsterdam physicists was able to determine an ...

Here’s why you should never use dry measuring cups for liquids! ‍ Gemma Stafford explains the difference between dry and liquid measuring cups and how to measure ingredients the right way for perfect ...

It was a frustrating ending for the Dallas Cowboys in Week 4 as they wound up tying with the Green Bay Packers on Sunday Night Football. Dallas withstood a 13-0 start for Green Bay and fought back, ...

Atlassian Corp. announced its largest acquisition to date with its $1 billion cash-and-stock deal for developer productivity platform DX. The move comes as enterprises struggle to quantify returns on ...

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What just happened? Engineers at the University of California, Santa Cruz, have developed a method for measuring heart rates that requires no wristband, smartwatch, or medical device. Instead, the ...

The Hechinger Report covers one topic: education. Sign up for our newsletters to have stories delivered to your inbox. Consider becoming a member to support our nonprofit journalism. It’s become the ...

Walk back tuning ensures that your bow with stack arrows on the same vertical plane from 5 yards to as far as you care to shoot. Here's how it's done. In the last installment of this series, we got ...

Computer Science and Engineering Ph.D. student Nayan Bhatia demonstrates Pulse-Fi, technology that uses WiFi signals to measure a person's heart rate. Heart rate is one of the most basic and important ...

Plus: Meta did not seek celebrities' permission before making flirty chatbots of them This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in ...