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Physics professor Lisa Randall answers questions about the Universe; Mark Surman from Mozilla on how to tell stories on the world wide web; And the Focus team discuss what they want for Christmas.

Physicist Jim Al-Khalili on his science heroes; Copying volcanic eruptions to combat climate change; Set-top boxes that connect to the world wide web.

Neutron research at the ILL nuclear reactor; Dallas Campbell's top moments from the new series of Bang Goes the Theory; BBC Click radio presenter Gareth Mitchell answers your questions.

Bestselling author Jon Ronson talks about his new book The Psychopath Test; How to prevent the next disaster; And the verdict on which ultra-thin laptop to buy.

Brian Cox on his new series Wonders of the Universe; The big question: are we still evolving? And the verdict on the Nintendo 3DS.

What makes us rebel; The escalating cyberarms race; And the king of the tablet computers revealed.

Lewis Dartnell on finding ET; Mega-Waves 30m-high walls of water; And the lowdown on the no-hands XBox Kinect.

UFO hunter Peter Davenport; Why we are all 21st century addicts; And brain powered games.

Geneticist George Church on synthetic life; How to fake a masterpiece; And the boys play with remote-controlled toys.

The Gadget Show's Jason Bradbury; The science of fear; The new world of augmented reality; And the best electric bikes out there.

How to use maths to bet big and win; Cutting-edge forensic techniques to catch crooks; A real-life Iron Man; And Macs take on PC's.

The new robots that hunt in packs; Busting the world's biggest myths; Andy takes a hammer to J's iPhone.

Robert Matthews looks at earth's fate when the solar system dies; Why your name spells how successful you are; The e-reader that beats the Amazon Kindle.

An exclusive interview with David Attenborough; The gory details of forensic science; What would really happen if the world was about to end?

How to negotiate a hostage release; What we will do when there are 9 billion of us on earth; Find out what the next Facebook is.

Astronomy guru Patrick Moore remembers the historic first Moon landing; The next big step for mankind; Get kitted out with the best gear for the festival season.

Boy racer cum Science Minister Paul Drayson; The robots taking over on the battlefield; How to survive the digital switchover.

 Focus finds out how to dodge asteroids - and gets insurance in case one hits; How to print your own organs; Google takes on the other knowledge heavyweights - Microsoft and your Dad.

Why the space station is playing dodgeball with orbiting junk; Madcap ways to save Earth from climate catastrophe; How to hack YouTube.

Award-winning science fiction author Ken MacLeod on the ultimate space safari; The science of shopping; How to stream live video.

 The car you'll be driving in 2030; Mini-laptops on test; The truth about Hollywood science.

TV presenter Danny Wallace asks why he hasn't got a personal robot yet; The nuclear detectives are on the polonium trail; Discover why refs get it wrong.

Focus joins the search for the Higgs Boson particle; Ian Taylor investigates the science of interrogation; Andy Ridgeway gets his DNA decoded and explores the age of genetic diagnosis.

Where does our universe really end? Paul Parsons finds out that scientists have suggested many answers; Find out why males could be a dying breed; Focus discovers why, when scientists get it wrong the consequences could be disastrous.

Physicist Brian Cox tells Focus what's wrong with gravity; Pushing the human body to its physical extremes; The Focus team take a look at the weirdest syndromes out there.

Astronomer Nigel Henbest on the ancient cultures that drew inspiration from the skies; Robert Matthews investigates why depression is sweeping the nation; Focus chat about the crazy scales that rate everything from pain to poo.