Leading scientists recently identified a dozen chemicals as being responsible for widespread behavioral and cognitive problems. But the scope of the chemical dangers in our environment is likely even greater. Why children and the poor are most susceptible to neurotoxic exposure that may be costing the U.S. billions of dollars and immeasurable peace of mind.
After a week beset by ocular infection, NBC's multimillion-dollar sportscaster is slated to return on Monday. Costas' victory over conjunctivitis heralds a return of the spirit of sportsmanship and national pride typified by these Olympic games.