We are the generation of human beings that are going to know whether or not we're alone in the universe. This episode explores the search of exoplanets, from ancient Greek philosophers to the discoveries made possible with the Kepler Telescope. Unbelievable new worlds, planets made of diamond, planets of raining glass, worlds in collision, some plunging into stars, and others that just might harbor life. Thanks to today's planet hunters, our views of the universe and of our place in it are undergoing one of the greatest revolutions in scientific history.
A Good American tells the story of the best code-breaker the USA ever had and how he and a small team within NSA created a surveillance tool that could pick up any electronic signal on earth, filter it for targets and render results in real-time while keeping the privacy. The tool was perfect - except for one thing: it was way too cheap. Therefore NSA leadership, who had fallen into the hands of industry, dumped it - three weeks prior to 9/11. This is the story of former Technical director of NSA, Bill Binney, and a program called ThinThread.
Two and a half thousand years ago, the Greek philosopher Socrates worried that the wide use of writing would have a negative impact on people's minds. He said that writing would create forgetfulness, because people will not use their memories. They would trust the external written characters and not remember themselves. In a world with an ever-growing tech industry, Michael Stevens tries to find out what effect technology has on our brains. He finds Technology isn't just changing our lives, it's changing our brains. In his experiments he tests what just 10 days of gaming does to things like our spatial memory.
Medical journalist Michael Mosley teams up with scientists whose latest research is turning common knowledge about fitness on its head. They reveal why 10,000 steps is just a marketing ploy and that two minutes of exercise is all a person needs each week. They discover how to get people to stick to their fitness plans and what exercise can actually make everyone more intelligent. Whether it is for couch potatoes who hate the thought of exercise, someone too busy to consider the gym, or even for fitness fanatics who are desperate to do more - science can help everyone exercise better. By the end of January many people struggle to keep up their resolutions to be more active. The result is that people wastes millions on unused gym memberships. But new science has the answers.
Where big data meets big brother -- The story of how governments manipulate the internet to censor and monitor their citizens, and how those citizens are fighting back. This battle for control of cyberspace will challenge our ideas of privacy, citizenship and democracy to the very core. The film is a look at the global impact the internet has on free speech, privacy and activism.
Thanks to today's planet hunters, our views of the universe and of our place in it are undergoing one of the greatest revolutions in scientific history.