00:19 — A brief look at the cooperative and social nature of humans.
03:03 — A look at the brains of a rat, monkey, chimp and human and a discussion of why some brains are bigger than others.
01:24 — Archaeologist John Shea explains the context and construction of one of early humans' first tools-the stone hand ax.
06:50 — A look at the regions of the brain that are activated during different tasks.
01:35 — A look at the difference between human language and other species' communication systems.
02:15 — An overview of how insight and imagination distinguish humans from others.
06:50 — An introduction to MRI scans.
04:45 — A look at the ways in which monkeys and apes are similar to humans, not just biologically but mentally and socially.
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- Premiered: January 6, 2010
- Rating: TV-PG
- Premise: An exploration of what differentiates humans from other species, investigating our ability to think in symbols, write and imagine the unimaginable. (more)