• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

Change takes time and does not happen instantaneously. A rock chip from a mountain, slowly, over centuries of rolling down a river, becomes a smooth, round pebble. A tiny egg and sperm become a breathing, living human in 9 months. A drop of water held at 31 ...

    • Loading...
    locked icon

    Sign in to access this content

    Get a 30 day FREE TRIAL

    • Watch videos from a variety of sources bringing classroom topics to life
    • Read modern, diverse business cases
    • Explore hundreds of books and reference titles