you’ve probably had to deal with hair that’s been tangled in knots at some stage. We know there are a lot of other things you’d rather be doing with your time than working at getting knots ...

While she often attracts stares for her controversial skimpy outfits it was her bizarre top-knot hair do that had heads turning. Article continues below But this time the 21-year-old singer wasn't ...

Each knot is around 70 micrometers in height and width, and each fiber has a radius of around 1.7 micrometers (around one-hundredth the radius of a human hair). While these are not the smallest ...