As TEDGlobal 2011 kicks off, Al Jazeera highlights some of the best talks, presentations and discoveries from the extensive line-up of speakers.

Retraction of whistleblower's claims that Qatar bid team paid bribes to land the 2022 World Cup will not satisfy everyone, but what is being forgotten is that the Gulf state had the best bid.

The UN refugee agency head says the humanitarian situation in Dadaab is one of the worst he has ever seen.

Al Jazeera correspondent Kamal Hyder laments the recent violence in Pakistan's largest city, which is wracked by political and criminal rivalries.

The military commanders had universally decided that the press did more harm than good after one of our colleagues gave away rebel positions in his report a couple of weeks earlier.