The housing crisis has stalled home building but apartment construction is undergoing a bit of a renaissance. There's now a huge pool of people forced to rent because they can't afford to buy a home, or they were a victim of foreclosure. In Denver, there aren't enough apartment vacancies.
According to the latest Census, the wealthiest Americans saw huge jumps in their income, while the rest had their incomes go down. For a deeper understanding of the wealth gap, Steve Inskeep talks to Tyler Cowen, an economist at George Mason University, and Matthew Yglesias, who writes about economics for the website Slate.com.
Peaceful voting in Egypt has given the country's stock market a boost. Cairo's market was closed on Monday when the landmark elections started. When trading opened Tuesday, the benchmark stock index surged more than 5 percent.
Because of the ability to cheaply process terabytes of information, companies can analyze all kinds of things that weren't possible before, like Decide.com's price prediction tool that exposes the surprising volatility of consumer electronic prices.
What do Facebook, Groupon and biotech firm Human Genome Sciences have in common? They all rely on massive amounts of data to design their products. Terabytes and even zettabytes of information about consumers or about genetic sequences can be harnessed and crunched.