Raise your hand if you know the answer. Which of the following tends to have the highest growth over 18 years: A), a U.S. savings bond; B), stocks or C) a savings account? If you answered B for stocks, you're way ahead of most teenagers in this country. In a recent financial literacy survey of the nation's high school seniors, most of the kids chose a different answer. More than half flunked the test. Work and Family correspondent Sarah Gardner reports on finance lessons for students.

The U.S. Postal Service carries 46 percent of the world's mail volume. To keep this operation running smoothly, the Service employs 845,000 people. On this week's edition of "A Day In The Work Life" -- our weekly look at how people trade their time for money -- we hang out with a letter carrier in Portland, Oregon. Weather may not keep him from his appointed rounds, but man's best friend is another story.

Life is hard enough without having to decipher everything. Each week, Sound Money will bring you a word or a phrase that has bubbled to the top of the news. For instance --OPEC. You hear it, you see it, but do you really know it?

The latest figures say that at least 44 million Americans don't have health insurance. Some experts believe that number could be higher. What are your options if you don't have health insurance? Is there a way to navigate the system? Ashley Milne-Tyte finds out.