Take a look at these four knots, which may look similar but are all distinct. Which knot would be hardest to undo if you pulled on the two long ends of its ropes? Rank them in order from weakest to ...

President Trump's joke about Sunita Williams' "wild hair" sparked curiosity about why astronauts leave their hair loose in ...

Holi colours drastically impact the hair. Scroll down to check out the hair care routine you can follow to revive and restore ...