Take a look at these four knots, which may look similar but are all distinct. Which knot would be hardest to undo if you pulled on the two long ends of its ropes? Rank them in order from weakest to ...

One example is the reef knot (top) vs. the grief knot (bottom). One is considerably stronger than the other. What does this mean, exactly? According to researchers, people were consistently unable ...

Or perhaps, you know them for their daily uses— shoe-tying, fishing, sewing, or the perfect top knot bun. Either way, you’ve likely recently noticed more than a few ways knotting their way ...