What is Helix?
[[File:VaticanMuseumStaircase.jpg|thumb|The staircase in the Vatican Museums. This shows a helix.]] [[File:DirkvdM natural spiral.jpg|thumb|Spiral of a [[climber]] plant, also a helix]] In [[mathematics|math]], a '''helix''' is a [[curve]] in three dimensions. It looks a bit like a [[spiral]]. Each helix has a line called its [[axis]]. The helix has a constant angle to this line. Helices are often seen in nature and the sciences. {{Math-stub}} [[Category:Three-dimensional shapes]]