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

Welcome to Knotorious – Master the Ropes Like a Pro! 🧗‍♂️🪢From friction hitches to tree climbing and must-have gear, this is your go-to spot for all things knots and vertical adventure! Whether ...

Learn how to tie the Single Fisherman’s Bend Knot, a classic and reliable knot for climbers, anglers, and outdoor enthusiasts. Perfect for joining two ropes or lines securely, this step-by-step guide ...

Getting the family to unplug feels like trying to herd cats. Specifically, cats that are glued to tiny, glowing rectangles of ...

Computers, laptops and portable displays have become an integral part of work, study and entertainment in the 21st century.

By then, he had flown over 3,000 casualties to safety during 11 months evacuating wounded soldiers from Vietnam's most ...

This essay is excerpted from a new Chronicle special report, “Leading in the AI Era,” available in the Chronicle Store.

I run MySpace.com marketing campaigns on a daily basis and wanted share some real-world experiences and tips. I'll start with an embarrassing story. I was working on a marketing campaign with a client ...