| He covers the prehumans, the humans, chronicle, autobiography, Lucy the fossil, and Lucy the symbol. |
| For most of our history as humans and all of our history as prehumans, our ancestors lived in small groups probably no more than 100 individuals. |
| Hoberg's team did DNA studies that gave more evidence for the idea that prehumans acquired these tapeworms before cattle and swine were domesticated about 10,000 years ago. |
| Within less than 200 pages he tells a coherent tale including both pertinent detail and amusing anecdote covering the period from Neanderthal prehumans to the present. |
| Prehumans experienced the fact that the sounds they made had effects. |
