백신
The word “vaccine” can bring out emotions and discussions in ways it never did before the start of the pandemic.

사랑니
Wisdom teeth are normally the last teeth to appear. This usually happens when people are in their late teen years or early twenties -- in other words, when they are older and wiser.

약속을 지키는 사람
Joe: Yes, my dad is absolutely a man of his word. He has never let me down.

함께 식사하기
We all need to eat. So, meals could be a chance to stop what we’re doing and spend time with the people in our lives. But sometimes they are not.

귀 훈련
If you are not making as much progress as you'd hoped, you are not alone. You may be surprised to know that a number of teachers do not know how to effectively teach this skill.

시금석
Today we go back to school. We will talk about two terms from science class. Both are tests.

거친 소녀들
Women have made huge gains in recent years in fields once dominated by men -- from business to sports to law and medicine. But they are gaining on men in a more unwelcome way as well.

화제를 바꾸자
Hey, I heard you had an embarrassing situation on your first date with Carol. Do you really have to bring that up in front of everyone right now? Let’s please change the subject.

물위의 집
Many houseboats include a kitchen, a head - as mariners call a bathroom -, a microwave oven and a television set attached to an outside satellite dish.

북극고래의 노래
Another interesting quality? Their underwater communication style has scientists comparing them to “jazz” artists.

강요하다
Hey, I heard Justin was at the hip-hop concert last Friday. I thought he doesn’t like hip-hop music. Well, I twisted his arm and got him to go.

그는 어떤가요?
You want to talk about grandpa Jack, not the bride, don't you? I don't mind talking about the bride. She's the one that I know already. But I do want to talk about your great-grandfather.

멋지게 옷을 입다
Rachel: They look great! Olivia: Oh, yeah! They are dressed to kill.

외로움도 전염된다
A newly-published study has shown that loneliness can spread from one person to another, like a disease.

하얀 모래사막
One of the world's great natural wonders is in the state of New Mexico, in the American Southwest. Nature has created huge moving hills of pure white sand. These sand dunes cover more than seventy-thousand hectares of desert.

녹색
Colors are often connected to the feelings we have. Many expressions in English link colors and emotions. Take for example, the color green.

생각할 거리
How did you like that book I gave you to read? Did you read it all?

하이퍼루프
In the United States, a company is working on a project that could change the way we think about public transportation. Its planned system would move people around in steel tubes.

노점상
People sell goods and food on the streets of many American cities, often without permits. Many of these sellers are immigrants, and some are in the United States without government permission.

블루 리지 파크웨이
The parkways cut through some of the most scenic parts of the country. One of the longest -- and most popular -- is the Blue Ridge Parkway. Many people call it “America’s favorite drive.”