- Ian Giddy
leads a visual tour of our planet's shifting topography, and the forces
that drive it.
- Plate tectonics,
like Darwin's theory of natural selection, is one of those unifying
theories that suddenly allows a whole lot of disparate findings to make
sense. Confusing data on geological formations, fossil findings, the
distribution of living plants and animals, the composition of the ocean
floors, tsunamis, Hawaii and Iceland and Staten Island: all clarified.