What is behind our special relationship with dogs? Liz compares dogs to wolves to see the effects of domestication, and Philippa Forrester discovers how dogs can be good for your health. watch
Liz looks at the safety of digital storage formats and whether the Cloud answers all our problems. Dallas and Jem see what it takes to properly wipe your computer memory. watch
Liz investigates an increasingly common and unwelcome guest, the bedbug. Meanwhile, Yan explains why statistics are not to be trusted, and Dallas goes stargazing in California. watch