An unassuming 80-year-old device that has the appearance of a typewriter could actually be one of the greatest secret weapons in history. Using cutting-edge digital technology, experts investigate the secrets of a revolutionary encryption machine.
How could there be a carving of a modern helicopter on an ancient Egyptian inscription? can this 800-year-old device covered in strange sayings really predict the future?

There is a region of space that is dangerous for reasons we don't yet understand completely. We see an increased flux of energetic particles in this area and higher-than-usual levels of radiation. It's called the South Atlantic Anomaly. Some scientists now think the long-term effects of this danger zone may be far wider reaching than anyone ever expected, and it may even have implications for the future of humanity in space and on Earth.

In the last episode we are taken on a gripping journey into the lives of a magnificent family of tigers in Bandhavgarh, India. This family, led by a tigress named Raj Bera, faces numerous challenges and triumphs. As we delve into their world, we witness the extraordinary bonds, fierce determination, and the will to survive against all odds. Raj Bera is the matriarch who must teach her cubs the essential skills they need to thrive in the wild. Her cubs are not only the heirs to her dynasty but also the future of the tiger species itself. In a land with increasing human encroachment and threats of poaching, the family's story is not only an intimate portrayal of their lives but also a glimpse into the larger conservation efforts to save these magnificent creatures from extinction.
Throughout the documentary, you'll see breathtaking scenes of tiger family dynamics, from nurturing to hunting, as they navigate their way through the challenging Indian landscape. The captivating narrative underscores the urgent need for protecting these remarkable animals and the critical importance of providing them with the space to preserve their ancient heritage. The film is a moving and eye-opening exploration of these majestic creatures and the dedicated conservationists working tirelessly to ensure their survival. It is a must-watch for anyone interested in the natural world and the future of one of the most iconic and endangered species on our planet.

The world's shipping industry is facing a major challenge. If global shipping were a country it would be the sixth largest producer of greenhouse gas emissions. At current growth rates, if we do nothing, those emissions could double or even triple by 2050. But shipping companies and engineers are creating remarkable new machines to make their industry greener, using a resource that has moved man across the world’s oceans for thousands of years…Wind.

What happens when a machine makes life-or-death decisions? This documentary explores the dangers of artificial intelligence in military application. To behold the fascinating military technology shown here is to witness the birth of a terrible beauty that could annihilate us all.
The documentary is not only chilling, it makes this dark side of artificial intelligence seem inevitable. It is also an essential chronicle to get a general idea of how artificial intelligence is being applied not only in warfare, but also in other areas of our society.

In this captivating final episode of the series we meet some incredible conservation champions on nature's front line, fighting to preserve the future of our beautiful planet. The episode opens with a dramatic rescue operation for the critically endangered black rhino, showcasing the efforts of Dumi Zwane and his team to establish a new breeding colony in a safe haven. The focus then shifts to the Centro Jambatu research center in the Andes, where Jaime Culebras works tirelessly to save the last of certain frog species. The documentary also highlights the efforts of Trang Nguyen, who bravely infiltrates the illegal wildlife trade in West Africa to protect forest elephants from ivory poachers. Meanwhile, in Vienna, Katharina Huchler undertakes a remarkable journey to reintroduce the northern bald ibis to Europe after its extinction 400 years ago. Indigenous leader Alessandra Korap's battle to preserve the Amazon rainforest from exploitation is a key focus, alongside Mohamed Nasheed's fight against climate change to save coral reefs and his country.
This episode addresses the broader issue of habitat destruction, emphasizing its role as a primary driver of extinction. It poignantly demonstrates the interconnectivity of life on Earth and the critical importance of conservation efforts.