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8 Episodes 2012 - 2012
Episode 1
Episode 2
Episode 3
29 mins
Liz finds out how safe digital storage formats such as DVDs and memory sticks are, and whether the Cloud answers all our problems. Dallas and Jem see what it takes to properly wipe your computer memory, and Maggie Philbin revisits phone security after nearly 30 years, investigating how hackers can access your smartphone.
Episode 4
Dallas finds out how crowds can co-operate subconsciously, Liz sees how architects control the flow of crowds, and Jem meets scientists trying to understand how crush injuries can occur. Plus, 80s number cruncher, Johnny Ball, demonstrates just how biologists measure population size.
Episode 5
27 mins
The team reveals how life surrounded by wireless signals affects us. Twenty-six years after his first report on the issue, Howard Stableford brings us up to date on the health risks of wireless signals; Jem explores the possibility of electricity without wires, and Liz reports on how mobile phone signals could protect us from illness and injury.
Episode 6
Episode 7
The team looks at some of the biggest travel nightmares. Liz investigates what causes traffic jams, whether lane switching works, and how to beat travel sickness. Meanwhile Jem heads for his workshop to build his own solution to traffic jams: a home-made, man-powered aeroplane.
Episode 8
The team sets out to discover what is behind our special relationship with dogs. In Austria, Liz visits researchers comparing dogs to wolves to see how domestication has shaped canine wits. Philippa Forrester takes her pet to a lab to find out how dogs really can be good for your health, while the team set their very own Dog Mastermind to see if it is dog intelligence that we love.