Science

Great Transformations - 60 minutes

From the development of the four-limbed body plan, the journey of animal life from water to land and the emergence of humans, Great Transformations focuses on the evolutionary changes that triggered the earth's incredible diversity.

Extinction! - 60 minutes

The Evolutionary Arms Race - 60 minutes

Survival of the fittest: Is it raw competition, a level of cooperation indispensable to life, or both? Explore our own spiraling arms race with microorganisms - the only real threat to our existence - and trace the alarming spread of resistance among pathogens that cause disease.

Why Sex? - 60 minutes

The Mind's Big Bang - 60 minutes
Between 100,000 and 50,000 years ago, something happened that triggered a creative, technological and social explosion, allowing humans to dominate the planet. What forces may have contributed to the emergence of the modern human mind?