온라인 학습
Lovell Walls is taking a math class in the basement of his family's home. His teacher is on her computer 40 kilometers away.

유선전화가 줄어든다
According to the latest survey by the Centers for Disease Control, 18 percent of U.S. homes - one in every six - have no traditional, land-line telephone at all. You know, the kind with a handset and a wire leading to a connection in the wall.

해서는 안된다
James: Oh, I used to have a D.C. Driver’s license and I loved it because they let me smile in the picture!

인문 학위의 가치
Some college students may wonder why their school asks them to take a class in philosophy when they are seeking a degree in physics.

오늘 할 일을 내일로 미루지 말자
"Don't put off until tomorrow what you can do today" is good advice, but it's often ignored and has been for years.

과일나무 가지치기
Fruit trees require a lot of pruning -- the careful removal of dead, damaged or unproductive parts to make the tree grow better.

녹색
Green is an important color in nature. It is the color of grass and the leaves on trees. It is also the color of most growing plants.

테크 넥
When we do the same movements with our bodies over and over again, we overuse some muscles. And that overuse can lead to strain and injury.

이스탄불의 그래피티
Istanbul, Turkey’s largest city, is witnessing an explosion of graffiti art.

군대 용어
A Veteran’s Day kind of veteran is a current or former member of the armed services. However, “veteran” also describes civilians.

숨 돌리는 곳
If you are feeling nervous or stressed, a simple thing can help. A deep breath.

보기 좋아
So how did the date with Tammy go? It went well. We had a great time. She’s really funny. Plus, she’s very easy on the eyes.

단풍나무 시럽
Paul Limberty has been producing maple syrup in Vermont for ten years. The process is called sugaring. Each February, Mister Limberty and his wife, Jennifer Esser, drill holes into their sugar maple trees.

효과적인 영어 연습
English learners can improve their ability to use different words by practicing. One way to practice effectively is through repetition -- doing something over and over again.

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

식은 죽 먹기
Jen: It’s pretty straight forward. It’s a piece of cake finding the place. Leanne: Perfect!

정신 건강을 위한 음식
When you eat the right foods, you feel better physically. But what you eat can also make you feel better emotionally and mentally.

발을 들여놓다
Jen: You know, a lot of people come into DC as someone who is fresh out of college or fresh out of grad (graduate) school even…to get their foot in the door right?

거리 예술
America’s capital city is trying hard to control its illegal graffiti problem. At the same time, city officials recognize the value and importance of street art.

증강현실과 가상현실
Augmented reality and virtual reality are two of the ways that tech can change the way you look at the world. The terms can be confusing.