Giordano Bruno's spiritual epiphany about the universe; a compressed version of the cosmic calendar.

Artificial selection turns the wolf into canine breeds; natural selection's impact on the human eye; extinction.

Chasing a single comet through its million-year plunge toward the sun; the birthplace of Sir Isaac Newton and his friendship with polymath Edmond Halley.

Astronomer William Herschel's observations of light's impact on time and gravity; a journey to the event horizon of a black hole.

The history of the scientific method and how it helped us understand how light travels and how we see; the infrared universe.

Exploring the universe on the smallest scale, including exotic life forms invisible to the naked eye; the neural network in the brain; the most mysterious particle.