CARL JUNG

• Before electricity, people experienced bright, full-spectrum days of sunlight and dark nights. We slept in a different way than we do now.
• Everything changed when electric lighting was invented in the latter part of the 19th century. Since then there has been an ever-increasing ass...

Introverts tend to turn inward rather than outward, but beyond that, it is more complex. There are four types of introverts:

• Social. The preference for solitude or socializing with small groups instead of large ones. It is not the same as shyness.
• Th...

The earliest evidence of the tectonic plates was found in Greenland which was estimated to be abbout 3.8 billion years old. Covnersely, researchers have found that the tectonic plates have been active for as long as 4 billion years ago.

There have been two supercontinents: The Rodinia whi...