A study published online recently in the journal Environmental Health Perspectives documented slightly elevated levels of arsenic in samples of chicken purchased at grocery stores in 10 cities in the U.S.
So how did trace amounts of this toxin end up in supermarket poultry?
Perhaps you've noticed a toddler's sagging swim diaper and wondered if it's really keeping the poop out of your neighborhood pool.
The Centers for Disease Control and Prevention has the answer for you: no.
Last summer, researchers at the federal public health agency collected 161 filter samples from public swimming pools in the Atlanta area. More than half of those samples, 58 percent, were contaminated with E. coli.
That, the CDC reported today, "signifies that swimmers introduced fecal matter into pool water."
Police in Albuquerque, N.M., are interviewing a man they say is a "person of interest" in the abduction of a five-year-old girl. After the girl was taken Wednesday evening, her mother chased down and rammed the car she had been in; a suspect fled on foot. Authorities say the girl is safe; she was pushed out of the car shortly after being taken.
Update at 3:30 p.m. ET. 'Person Of Interest' Found:
David Beckham, who starred for Manchester United, Real Madrid and England's national team before heading to the United States and Paris, is retiring. The news was confirmed Thursday by England's Football Association.
The midfielder played his first game for Manchester United in 1992 and eventually rose to become captain of England's international team for more than 50 games, including several World Cup tournaments. He appeared in 115 matches for the squad.
Billionaire investment legend Warren Buffett's Berkshire Hathaway Inc. has had its credit rating lowered from AA+ to AA by Standard & Poor's Ratings Services.
In a statement, S&P says that even though Berkshire Hathaway has an "excellent business profile," the lower credit rating "better reflects our view of BRK's dependence on its core insurance operations for most of its dividend income." (S&P's statement is posted on its website, but you have to register to view it.)
Rutgers University officials are welcoming the arrival of new athletic director Julie Hermann as the beginning of a new era, as the school seeks to rebound from the turmoil that recently engulfed its athletics department.
In a message written on a wall of the boat where he was found hiding, Boston bombings suspect Dzhokhar Tsarnaev claimed responsibility for the attack and said it was motivated by anger over the Afghan and Iraq wars, sources familiar with what was found have told CBS News correspondent John Miller.