석탄
Coal is the world’s biggest source of fuel for electricity. It is also the world’s biggest single source of greenhouse gases.

영화 제작팀
He wants to know more about the many jobs listed in small print in the credits at the end of movies. Some of these jobs have funny names -- like boom operator.

양궁
The bow and arrow was the weapon of choice for hunters and fighters around the world for tens of thousands of years. Guns began to replace bows and arrows about four hundred years ago. However, archery never disappeared and recently the sport is popular again.

야외 음식 안전한가?
Disease-control officials estimate that about one in six Americans get sick from food each year. One hundred thirty thousand have to go to a hospital for food poisoning.

남을 몰래 관찰하는 사람
Flies perform an important job in nature. They break down a lot of organic materials. Plus, farmers can use their larvae as very cheap food sources for animals.

수준을 높이다
Our boss reminded us that to better serve our clients, we have to raise the bar and provide excellent quality service.

친구
Today we start by asking a question: What sort of friends do you have? The answer is probably -- all different kinds!

겨울에 피는 꽃
In many colder northern countries, poinsettias are a sure sign that Christmas is near. Nearly all sales of this flowering plant come at wintertime.

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.

계절
On our program today, we will talk about seasons. In some places, there are four: winter, spring, summer and autumn.

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.

커피숍이 사무실
About 30 million Americans - one-fifth of the nation's workforce - spend significant time working outside the typical office, plant or factory. This includes people who telecommute from home one or more days a week.

친절한 인상을 주더라
What do you think of my girlfriend you met this afternoon? She comes across as very friendly. Plus she seems like an easy-going person.

이모지
Emoji have become a worldwide language for mobile phone messages. Emoji are everywhere -- displayed in New York’s Museum of Modern Art, and part of a new Hollywood film.

감출 수 없는 눈의 움직임
The way a person’s eyes move can show whether or not the person recognizes someone else -- even if they try to hide it.

남획
Not so long ago, the world’s oceans were filled with different types of fish. Now, a large increase in global overfishing has threatened that supply.

영화 속의 빈티지 자동차
Our colleague liked the movie, particularly its use of authentic, but beat-up, old automobiles that we call "jalopies."

현장에서 들켰다
I’m just wondering, have you ever cheated in school? Yes, just once in high school. But I got caught red-handed by my teacher so I stopped doing it after that.

롯데 월드 타워
The fifth-tallest building in the world, the Lotte World Tower, has opened in Seoul, South Korea. The event was celebrated in a ceremony with a fireworks display that lit up the building and the sky.

울분을 터뜨리다
Please forgive me for yelling at you. I had such a bad day. I just needed to blow off some steam.