Iranian President Mahmoud Ahmadinejad (center) visits a uranium enrichment facility in Natanz, Iran, in 2008. Enriching uranium requires many fast-spinning centrifuges, arranged in what's called a cascade.
Iran's government on Thursday made clear it has no interest in direct talks until the U.S. eases sanctions that have been squeezing Iran's economy. But the Obama administration isn't budging and says the ball is in the Iranians' court.
The suspicion that Iran wants to make a nuclear weapon is the rationale for the sanctions as well as for veiled threats of U.S. or Israeli military action if those sanctions fail.
Originally published on Fri February 8, 2013 2:50 pm
Before they end up filleted and sautéed on your dinner plate, salmon lead some pretty extraordinary, globe-trotting lives.
After hatching in a freshwater stream, young salmon make a break for the ocean, where they hang out for years, covering thousands of miles before deciding its time to settle down and lay eggs in their natal stream.
So how do these fish find their way back to their home river?
Originally published on Thu February 7, 2013 5:44 pm
The Gallup Organization, one of the polling industry's oldest brand names, is calling in an outsider to do a comprehensive review after its 2012 election polls consistently favored Republican candidate Mitt Romney.
University of Michigan professor Michael Traugott, a past president of the American Association for Public Opinion Research, has been working with Gallup since December to test several of its methods. Among them: how many interviews are conducted by cellphones; how it measures likely voters and early voters; and how it assesses the impact of get-out-the-vote efforts.
Originally published on Thu February 7, 2013 7:12 pm
Immigrants from Asia and Latin America are more conservative than their U.S.-born children, according to a study released Thursday by the Pew Research Center.
And while most immigrants from Asia and Latin America identify with the Democratic Party, the report found that Hispanic members of the second generation — those born in the United States with at least one parent born outside of the country — were even more likely to identify as Democrats than their parents.