What 2012 taught us

From the London 2012 Olympic and Paralympic Games, to the US election, to Gangnam Style - this year's biggest stories in 60 seconds.

What did we learn from 2012? For International Editor Lindsey Hilsum, it was the feeling that one of the global superpowers may not be as stable as it seems.

What did 2012 teach us? As Channel 4 News looks back at the defining news stories of the year, Weather Presenter Liam Dutton says it served as a meterological reminder.

Foreign Affairs Correspondent Jonathan Rugman looks back on a year of bloodshed in Syria but "choosy foreign policy" in the west.

The meaning of a financial acronym went from market floor to pub quiz in 2012 - Business Correspondent Siobhan Kennedy explains what Libor was all about.

What did we learn from 2012? Chief Correspondent Alex Thomson says that the war in Syria taught the world that the Arab Spring is much more complex that everyone thought.

What did we learn from 2012? For Channel 4 News Science Editor Tom Clarke, the discovery of the Higgs boson was a "massive breakthrough" and the highlight of the year.

What did 2012 teach us? As Channel 4 News looks back at the defining news stories of the year, Jon Snow reveals that, for him, it was all about the Paralympics.

As Psy's Gangnam Style becomes the first ever YouTube video to hit one billion views, Cathy Newman demonstrates why it has been such a hit.