362
피부 관리
Skin. It is the largest organ of the body. Skin is the body's first barrier to infection. It keeps out many harmful bacteria and other things.
360
박사 학위
The highest degree that a student can earn is a doctorate. Some doctorates are professional degrees, as opposed to a degree based on research.
356
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.
354
치아 관리는 어릴 때부터
Healthy teeth are meant to last a lifetime. Daily cleaning is important to preventing infections and other problems.
352
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.
350
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."
348
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.
346
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.
345
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.
343
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.