Copper and lutetium metal ions chaperone this molecular strand into a three-twist knot. Credit: Credit: Stuart Jantzen, Biocinematics It’s annoyingly easy to tangle your headphones into a mess of ...

The self-assembly of objects with a set of desired properties is a major goal of material science and physics. A particularly challenging problem is that of self-assembling structures with a target ...

Did you know that knots are among the oldest human technologies? In Five Knots, Timandra Harkness unties a handful of them, and explores how they string together history, culture, forensics, ...