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:Matter: Why Your DNA Is Still Uncharted TerritoryIs Artificial Intelligence a danger? More than half of UK FEARS robots will take overAntarctica MAPPED out in extraordinarily high detailGreat whites swim for MONTHS to dine at ‘secret shark cafe’ in Pacific OceanYellowstone volcano update: Will the supervolcano erupt? Experts say YESYellowstone volcano activity: Steamboat geyser eruption history - when did it last erupt?