A sequel to the most popular NOVA of all time, "Miracle of Life," the program once again uses the extraordinary microimagery of Swedish photographer Lennart Nilsson to track human development from embryo to newborn.

NOVA goes beyond the wagging tails and floppy ears to reveal surprising insights into the origin and evolutionary strategy of our canine companions. From a wolf research facility in rural Indiana to New York’s Westminster Dog Show, you’ll discover some amazing dog facts. Did you know the Saluki can beat any other mammal on earth in a three-mile race? That dogs developed spots for a specific reason? And that their evolution is helping us learn about our own?

Exactly 100 years ago, Albert Einstein grappled with the implications of his revolutionary Special Theory of Relativity and came to a startling conclusion: mass and energy are one, related by the formula E = mc2.

Among Einstein's ideas, E = mc2 is by far the most famous. Yet how many people know what it really means? In a thought-provoking and engrossing documentary, Einstein's Big Idea illuminates this deceptively simple formula by unrevealing the story of how it came to be.

Driverless vehicles compete in a 130-mile race across the Majove Desert.

Tom and Ray Magliozzi of NPR's Car Talk, explore new technologies and ideas for the future of automobiles.

A documentary examining the ubiquitous transportation device as used in modern day and features a recounting of a real-life horror story of one individual's experiences when stuck in an elevator for an extraordinarily long period of time.