Amphibian

According to the book, an amphibian is a creature able to live both on land and in the ocean.

Mammals

In the book, mammals are described as animals who feed their young through the milk of the mammary gland.

Anthropologists

The book describes anthropologists as scientists who study mankind as a member of the kingdom of animals.

Hieroglyphics

Hieroglyphics were invented by the Egyptians, according to Van Loon, and are carved or drawn images that represent certain concepts or ideas that can then be combined to form sentences.

Nail Writings

Nail writings, developed by the Sumerians, are similar to hieroglyphics, except that whereas hieroglyphics are images, nail writings are simply v-shaped characters meant to represent concepts.

Draconian Law

Athens, in an attempt to even out government for the common freeman, set about to create laws that would give the people a voice. Their first attempt at such...