Wegener suggested that perhaps the rotation of the Earth caused the continents to shift towards and apart from each other. (It doesn't.) Today, we know that the continents rest on massive slabs of rock called tectonic plates. The plates are always moving and interacting in a process called plate tectonics.
Blood tests, DNA, and fingerprint scanings is better than facial regoniztion because someone can look like another person. But since everyone has a different fingerprint, this can be more efficent.
Globalization also have its side effects to the developed nations. These include some factors which are jobs insecurity, fluctuation in prices, terrorism, fluctuation in currency, capital flows and so on.
