President Obama plays a learning game while visiting children at College Heights Early Childhood Learning Center on Thursday in Decatur, Ga. Obama's campaign-style trip this week was to end with a nonworking stop in Florida.
Many of the drugs we take aren't actually digested — they pass through our bodies, and down through the sewer pipes. Traces of those drugs end up in the bodies of fish and other wildlife. Nobody's sure what effect they have.
Now, a paper being published in Science magazine finds that drugs for anxiety drugs — even at these very low levels — can affect the behavior of fish.
A future without weeds would be a kind of farmer utopia, but currently, herbicide-resistant "superweeds" are part of today's reality. Some researchers, though, are looking for a solution that seems ripped from science fiction: weed-seeking robots.
This is TALK OF THE NATION. I'm Neal Conan in Washington. You can soon add US Airways to a long list that includes TWA, Pan Am, Eastern, Western, Braniff and so many others. US Airways will merge with American. The new American Airlines will be the world's largest, and after decades of consolidation, one of just four major airlines in the U.S.
This is TALK OF THE NATION. I'm Neal Conan in Washington. One of the most critically acclaimed and most popular films of the year, "Zero Dark Thirty," is up for five Oscars, including Best Picture. The film follows the hunt for Osama bin Laden and sparked controversy for its depiction of CIA interrogation techniques, including water boarding.
(SOUNDBITE OF MOVIE, "ZERO DARK THIRTY")
JASON CLARKE: (As Dan) Come on, give it to me. Hasam(ph) was a friend of Gramzi Yusef(ph). You guys met in Iran back in the '90s.