Trilobites: Eight Crossings and 192 Atoms Long: the Tightest Knot Ever Tied Researchers tied a complicated knot at the molecular level, which could be used to make materials in the future that are stronger, lighter and more flexible. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:NASA asteroid threat: New spacecraft to SMASH INTO asteroids and SAVE EarthFamilyTreeDNA Admits to Sharing Genetic Data With F.B.I.Mount St Helens eruption FEARS: Volcano expert warns ‘I have never seen ANYTHING like it’Q&A: Pills to Protect Against an ApocalypseAsteroid WARNING: NASA admits killer asteroids threaten humanity with 'global DEVASTATION'Egypt Unveils Dozens of Newly Discovered Mummies