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.
A big deal: The world's newest and largest cruise ship, Oasis of the Seas dwarfs the Isle of Wight ferry (left) as she enters the Solent en route to Fort Lauderdale, Florida. Enthusiasts flocked to the cliffs of Hampshire in the hope of catching a glimpse of the ship - not that they could miss it.