Thus, cell-division cycle is an essential process by which a single-cell fertilized egg develops into a mature organism and the process by which hair, skin, blood cells, and some internal organs are formed.
Norwegian Cruise Line's Norwegian Breakaway, the largest cruise ship ever to home port year-round in New York City, offers three live Browdway performances. It also showcases comedy, jazz & blues club, dueling piano bar. View the slideshow above to explore the world's 10 mega-ships.
Unveiled in November 2015, the 4,248-passenger Norwegian Escape is Norwegian Cruise Line's largest ship ever. Among the most notable features on Norwegian Escape's top deck is Aqua Park, a family-friendly fun zone billed as the largest of its kind at sea.