Unbound: How Eight Technologies Made Us Human and Brought Our World to the Brink

by Richard L. Currier

When the technology of making and using spears was adopted by an ancient population of prehistoric apes, it became a strategy for hunting and defense that effectively trumped the biological weaponry of both the predators and prey living in those prehistoric environments.

good summary

When the technology of making and using spears was adopted by an ancient population of prehistoric apes, it became a strategy for hunting and defense that effectively trumped the biological weaponry of both the predators and prey living in those prehistoric environments.

Good summary

Hominids are the only animal species in which the males are predators, the females are foragers, and both sexes regularly share the different foods they obtain.

Male v female

When you touch the palm of a newborn infant with your finger, it will grasp your finger with surprising strength. This grasping reflex, which disappears in the first weeks of life, is the remnant of a powerful instinct we inherited from our primate ancestors. Its original purpose was to ensure that every primate infant would cling

Infant grasp

The hominid family is more than a strategy for survival; it is the bedrock of human society.

Nuclear family