The world’s tightest knot is too small to see | International News Live Blog

https://internationalnewsliveblog.wordpress.com/2017/01/14/the-worlds-tightest-knot-is-too-small-to-see/

A group of researchers have achieved a new record, but you can’t see it with the naked eye. Scientists with the University of Manchester have formed the tightest knot to ever grace our blue marble, at least as far as humans are aware, and they did so using molecular strands. … http://internationalnewslive.com/the-worlds-tightest-knot-is-too-small-to-see/