Incoherent rage
Spain's “indignados” are anxious about their future and angry with the establishment. But although they enjoy wide support across the political spectrum, they are struggling to convert their energy into a meaningful vision for political change

The installed capacity of solar power increased in more than 100 countries in 2010 as the price of solar panels dropped. But this building frenzy has coincided with cuts to solar-subsidy schemes across Europe as governments battle with the debts they have run up

A celebration of burgernomicsThe Economist's Big Mac index, a light-hearted guide to whether currencies are trading at a reasonable level, celebrates its 25th birthday this year. Our latest update introduces a new, beefed-up index, which suggests the yuan is no longer undervalued against the dollar

Debate: Europe and the euro
This house believes the euro is dividing Europe and should be abolished

Europe: Breivik and the Balkans
The man behind the Norway killings had a peculiar obsession with the history and affairs of the Balkans

Britain: Monkeys and business
No great apes are experimented on in Britain, but the strict rules that govern the use of monkeys should be further tightened

Africa: Accountability needed
Despite Jacob Zuma's efforts corruption still threatens democracy in South Africa

United States: Tax the fat, not their food
Meddling with the prices of unhealthy food starts the government down a slippery slope

Asia: A Chinese slap on the wrist
The deportation of Lai Changxing signals Canada's approval of China's penal system

Asia: What's the Korean for “payola”?
Corruption claims more casualties in South Korea as dozens of producers of fizzy pop-music are bust

Business: Setting a pattern
Talks between bosses and unions will determine whether America's carmakers can remain competitive

Business education: Class war
We revisit an MBA programme in Côte d'Ivoire that was launched just as the country was collapsing into civil war

Technology: Difference Engine
3D television has not been the blockbuster success setmakers had hoped. But it has at least spurred them into producing screens with higher resolutions

Culture: Her odds were stacked
In an industry of factory-produced icons and committee-born sounds, Amy Winehouse stood out as the real thing