It was a headline-grabbing heist of NASA proportions. Each year, hundreds of students apply to NASA's prestigious Co-operative Education Program, but only a handful are accepted allowing them to work alongside NASA's top scientists and go on to careers at NASA and elsewhere. In 2000, one "Co-op" showed an inordinate interest in the cache of moon rocks kept at the Johnson Space Center in Houston, Texas, repeatedly visiting the lab to examine them. Then the moon rocks mysteriously disappeared. Moon Rock Heist follows the trail of international intrigue surrounding the recovery of the rocks and reveals how law enforcement finally tracked down the thieves.

Find out what it really takes to make lots and lots of quarters, how does a blast of water make a fish tank watertight, how do they blast limestone without blasting it into tiny bits, and why are highlighters yellow.

A dramatic, real-life tale of three leopards plays out in Botswana's Okavango Delta. This is prime habitat for Africa's most secretive big cat. Leopards normally avoid each other but this island is the common hunting ground for all three individuals as they are drawn together by the changing seasons and the movement of their prey. What unfolds is an in-depth look into their lives; following the tension, drama and, in the end, heart wrenching tragedy, as all three seek a common goal to dominate one of the Okavango's most prized leopard territories.

Take a journey from the footpath to the centre of the planet in one epic unbroken step, smashing through more than 6,000 kilometres of solid rock to explore the hidden world beneath our feet.

It was a headline-grabbing heist of NASA proportions. Each year, hundreds of students apply to NASA's prestigious Co-operative Education Program, but only a handful are accepted allowing them to work alongside NASA's top scientists and go on to careers at NASA and elsewhere. In 2000, one "Co-op" showed an inordinate interest in the cache of moon rocks kept at the Johnson Space Center in Houston, Texas, repeatedly visiting the lab to examine them. Then the moon rocks mysteriously disappeared. Moon Rock Heist follows the trail of international intrigue surrounding the recovery of the rocks and reveals how law enforcement finally tracked down the thieves

Naturalist Casey Anderson has a new protege, Casey Junior, a six week old black bear cub who learns to walk, swim, climb and forage under Casey's careful tutelage.

The story of how the police foiled a gang's attempt to steal a 770-carat diamond that was on display at the Millennium Dome in November 2000.

The USS Nimitz - a nuclear powered aircraft carrier. A floating city. And the most powerful weapon on the planet.

Two experts reveal the use of a mysterious shoe-box sized mechanism found in a 2,000-year-old shipwreck more than a century ago.

A son's riveting look at a father whose life seemed straight out of a spy thriller. The secret world of a legendary CIA spymaster. Told by William Colby's son Carl, the story is at once a probing history of the CIA, a personal memoir of a family living in clandestine shadows, and an inquiry into the hard costs of a nation's most cloaked actions.