Rome was once a largely democratic society, with regular elections. This Republic lasted for 500 years, but then came Tiberius Gracchus. He believed in the ideals of the Republic - fairness, decency and justice for everyone -but was appalled by Rome's aristocrats' treatment of the poor. So he unleashed the power of the mob upon the streets of Rome, with devastating consequences.

The great apes which include chimps, orangutans, gorillas and bonobos, seem to have rich emotional lives similar to our own. But just how smart are these animals? A new generation of investigators are converging on an explanation for why the non-human great apes never made the breakthrough into an accelerating human-style culture that builds on the achievements of previous generations.

Experience the remarkable career of Arnold Schwarzenegger, a man who lived three lifetimes – from bodybuilding champion to Hollywood icon to California governor. Delve into the captivating series 'Arnold' and witness the incredible journey of this multifaceted legend.
The first episode explores his journey from a challenging childhood in Austria to becoming a dominant force in the world of bodybuilding. Despite a problematic family environment, Arnold's inner strength and determination fueled his pursuit of excellence. He competed relentlessly, amassing an impressive 13 world bodybuilding championships, including Mr. Olympia. As Arnold's bodybuilding career reached its pinnacle, he decided to transition into acting, driven by a vision to become a star. Throughout the series, Arnold's indomitable spirit and unrelenting commitment to his aspirations serve as a testament to the remarkable journey that transformed him from an iconic bodybuilder and actor to prominent politician.

Zachary Quinto embarks on a journey to understand how artificial intelligence may already be a threat to humanity. He visits Facebook headquarters where he learns about a failed AI experiment where two chat boxes created a language that only they could understand. Zach also gets a firsthand look at the world's latest technology, including life-like dolls programmed with advanced AI, robots that learn and communicate telepathically, highly intelligent drones of war, and Uber self-driving cars.

When Ashley Madison, a dating site for people seeking adulterous affairs, is hacked, millions of users' intimate data is exposed, wrecking marriages and destroying lives. This complete three episode documentary series explores the creation of the website during the dot com boom, the people who used the site to explore a part of their love lives they felt was missing, and the hack that made it all come crashing down.
This gripping story is told through a handful of insiders, journalists, and families that were devastated by the release of their confidential information.

What are the latest discoveries in the deadly world of asteroids? Will a recently returned Japanese spacecraft become the first to bring an asteroid sample back to our planet? What would happen to America's East Coast if the massive asteroid impact that helped form Chesapeake Bay 35 million years ago struck today? And why did President Barack Obama choose an asteroid as the destination for the next great manned mission into space? Learning about these huge space rocks isn't just about science, it's about survival.