Knots are one of those “boring” skills that save the day over and over. Hanging a quarter, tying down... The post 14 knots ...

For many of us, untangling our earbuds is the extent of our survivalist knot knowledge. Tying knots is just for sailors and mountain climbers, right? Turns out, there are a few simple knots that you ...

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Knotted threads secure buttons to shirts. Knots in ropes attach boats to piers. You can find knots in shoestrings, ties, ribbons, and bows. But even without Boy Scouts or sailors, knots would be ...

Scanning the crowd at a fancy soiree may reveal a wide array of neckties, each fastened with a highly complex mathematical object masquerading as fashion. An entire field of mathematics is devoted to ...

Humans are pretty good at guessing whether a towering stack of dishes in the sink will topple over or where a pool ball will go when a cue hits it. We evolved this kind of physical reasoning to ...