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 ...

It’s the bane of any avid music listeners; headphones seemingly always become tangled when they’re stored in a pocket, bag or elsewhere. But the mystery of headphones tangling might finally be solved ...