Extras

The Human Spark

To Make A Spear

Clip: S1 | 4m 32s

Archaeologist John Shea demonstrates the construction of a primitive spear.

The Human Spark

Scanning the Brain

Clip: S1 | 6m 50s

An introduction to MRI scans.

The Human Spark

A Matter of Size

Clip: S1 | 3m 3s

A look at the brains of a rat, monkey, chimp and human.

The Human Spark

Insight and Imagination

Clip: S1 | 2m 15s

An overview of how insight and imagination distinguish humans from others.

The Human Spark

If It Ain't Broke...

Clip: S1 | 1m 24s

Archaeologist John Shea explains early humans' first tools.

The Human Spark

Human Nature

Clip: S1 | 4m 45s

A look at the ways in which monkeys and apes are similar to humans.

The Human Spark

Human Language

Clip: S1 | 1m 35s

A look at the difference between human language and others.

The Human Spark

Cooperation

Clip: S1 | 19s

A brief look at the cooperative and social nature of humans.

The Human Spark

The Brain in Action

Clip: S1 | 6m 50s

A look at the regions of the brain that are activated during different tasks.

The Human Spark

Beyond the Present

Clip: S1 | 52s

A look at humans' unique ability to reflect upon events.