Looks at the black market website known as the Silk Road, which emerged on the darknet in 2011. This 'Amazon of illegal drugs' was the brainchild of a mysterious, libertarian intellectual operating under the avatar The Dread Pirate Roberts. Promising its users complete anonymity and total freedom from government regulation or scrutiny, Silk Road became a million-dollar digital drugs cartel. Homeland Security, the DEA, the FBI and even the Secret Service mounted multiple investigations in the largest online manhunt the world had ever seen. But it would be a young tax inspector from the IRS, who had grown up in the projects of Brooklyn, who would finally crack the case and unmask 'DPR'.
We cannot see things like the movement of a sponge because its movements are too slow. But with specialized photography we can see imperceptibly slow and fast movements. See the dynamics of a child's first steps, rainfall, nocturnal animals and butterflies in flight-and the incredible archer fish.
What will communication look like in 2050? First, the internet will be everywhere. Researchers and scientists from around the world are working on ways to make this happen, for example with self-sufficient balloons equipped with wifi to cover digital deserts.
From brains to eyes, hands to legs, and deep down to the internal organs; implants, prosthesis and rehabilitation are entering a new era potentially creating a new type of human being - The Bionic Man- in reality, not on retro TV. But what ethical concerns arise as we mix technology with biology?
The world's cities are growing at a faster rate than ever before. An estimated 75 million people around the world move to an urban area every year. And as our metropolises become more and more crowded, architects, designers, and builders face a constant challenge.
Liz Bonnin delves in to the world of invention, revealing the people and technologies set to transform all our lives. She examines the conditions that are promising to make the 21st century a golden age of innovation and meets some of the world's foremost visionaries, mavericks and dreamers. From the entrepreneurs that are driving a new space race, to the Nobel Prize wining scientist leading a nanotech revolution, this is a tour of the people and ideas delivering the world of tomorrow, today.
Food- human life can't exist without it. It's a city's most important source of energy. In New York alone, 8 million people consume 10,000 tonnes of food every day. Without new supplies, cities will run out of fresh food in a matter of days.