Nearly nine years after the Athens Summer Olympic Games, American shot putter Adam Nelson has been declared a winner at those games. NPR's Tom Goldman has the story of an Olympic dream come true at last.
Rio's Operations Center brings together more than 30 agencies and allows them to coordinate on daily issues such as traffic, as well as on emergencies such as the frequent flash floods in hillside slums.
Credit Raphael Lima / Courtesy of the Operations Center, City of Rio De Janeiro
Rescue workers carry the body of a victim after a building collapsed in Rio on Jan. 26, 2012. The city's Operations Center was built to allow for a coordinated response during such emergencies.
We are standing in front of a huge bank of screens, in the middle of which is a glowing map that changes focus depending on what the dozens of controllers are looking at.
The room looks like something straight out of a NASA shuttle launch. The men and women manning the floor are dressed in identical white jumpsuits. With a flick of a mouse, they scroll through dozens of streaming video images coming into the center.
Cities like Houston are dotted with air-sniffing monitors that measure levels of benzene and other potentially unhealthy air pollutants. But those monitors can't answer the question we care about most: Is the air safe?
That's because there's no simple relationship between toxic air pollutants and health risks. Researchers at the University of North Carolina in Chapel Hill are trying to get a leg up on that problem. They are building an instrument that uses human lung cells to measure health hazards in the air more directly.
The clock is ticking for those who hope Illinois will become the 13th state to legalize same-sex marriage.
The Illinois General Assembly is scheduled to adjourn its spring session Friday night, and the marriage equality bill still has not been called for a vote in the state House, where supporters are struggling to round up the 60 votes necessary to pass it.
From New Mexico to New York, 10 state university systems have announced they are joining the ranks of elite institutions embracing the massive open online course, or MOOC, system.
On Thursday, they unveiled a landmark partnership with Coursera, a for-profit tech company with 3.5 million registered students. It's the biggest effort to catapult degree-granting institutions into the world of global education.