Brazil's economy is emerging rapidly, which means signs of increasing wealth are everywhere, even in slums. But these are one-offs. For the country to truly thrive, its officials have decided, it needs better access to higher education. And that's become one of its biggest priorities.
Seven thousand years ago, people of the Chinchorro culture in modern-day Chile and Peru made the world's first mummies. Why adopt such complex mortuary rituals? A new study attributes the practice to a shift in the climate.
Economists study something called purchasing power parity. Basically, how far will a dollar go in Argentina, Italy, or the US? They gauge this by looking at a comparable basket of goods and services across nations.
Peru's president Ollanta Humala was elected in 2011 partly on a pledge to protect the environment. He's declared a state of emergency in the Pastaza RIver basin, and gave an Argentinian oil company operating there three months to clean up.
In today's Geo Quiz we asked which of these three passages, the Gulf of Aden, the Drake Passage, or the Strait of Malacca, is considered pirate free? The answer is the Drake Passage, off the southern tip of South America.