On this edition of Shift: Cyber Attacks - Why military forces around the world are bracing for cyber warfare; Why stroking cows is good for you, and on Exit, we meet a terrier traceur.
Is cyberwarfare a serious threat? When Estonia's digital architecture was hit by cyber attacks in 2007, swamping the websites of the parliament, banks, ministries, newspapers and broadcasters for several days, the country feared for its national security.
Electronic gadgets are increasingly efficient and elegant - but also so smooth that researchers have warned that our sense of touch is being impaired.
Videos of spectacular parkour exploits have long been Youtube favorites, and the sport has a growing number of agile fans. But these days, they're being outstripped by a four-footed 'traceur'.
Evgeny Elchaninov's American Staffordshire terrier was so good at obeying orders like 'sit!' that he started thinking up more challenging instructions. Evgeny from Ukraine has turned his dog TreT into a YouTube sensation, with over 8 million people watching videos featuring parcour on paws.