MP3
An MP3 is a kind of file used for sending music or other material over the Internet. These files are compressed, or reduced in size, compared to songs on a compact disc, or CD.

치아 관리는 어릴 때부터
Healthy teeth are meant to last a lifetime. Daily cleaning is important to preventing infections and other problems.

번지 점프
Imagine standing at the edge of a tall bridge. Hundreds of meters below you, river water rushes by. You take a deep breath and jump off the bridge, head first into thin air.

봄에는 앞으로 가을에는 뒤로
Americans continued to set their clocks one hour ahead in the spring and one hour back in the fall. They remembered to do this with the expression: "Spring ahead and fall back."

운좋은 오리
This story is about a brown female Canadian duck that weighs only four hundred fifty grams. The duck had flown to the southern state of Florida for the winter.

스타벅스
If you are in any major city in America, the chances are high that you are not far from a Starbucks. In fact, you might be very close to several of these coffee stores.

아기의 지능과 조기 교육
Not long ago, many people believed that babies only wanted food and to be kept warm and dry. Some people thought babies were not able to learn things until they were five or six months old.

햄버거의 원조는?
Many restaurants in the United States say hamburgers are their most popular food. But no one really seems to know who made the first one.

트랜스 지방
New York City wants to fight fat. The Board of Health has passed a ban on trans fats in all restaurants.

애견 조련사
Americans own about seventy-three million dogs. Many people have problems training their animals. Some are turning to dog expert Cesar Millan.