뒤꿈치
Now, heel has several meanings, many of which relate to the end or back of things. For example, we call the two ends of a loaf of bread the heels.

로봇 물고기
Scientists are using robotic devices to study the health of waters in and around Venice, Italy. The robots are designed to act like fish, other underwater creatures and plants.

호박의 효능
There is one food that takes center stage during autumn -- the pumpkin! Many people use this orange gourd as a decoration at Halloween.

개와 고양이
People from around the world are bitterly divided about which animal is the better pet. But a new study may have found a clear winner when it comes to which animal is more intelligent: dogs.

배터리 금속 재활용
Their hope is to take advantage of an expected shortage of materials, such as cobalt and lithium, when sales of electric cars start rising.

도시에서 채소 기르기
How do you get the freshest, locally grown fruits and vegetables in a big city? For an increasing number of Americans, the answer is to grow the fruits and vegetables themselves.

새 먹이 주기
Many Americans enjoy spending time with nature, and one popular activity is feeding wild birds.

사람 얼굴을 알아보는 양
University of Cambridge scientists have trained sheep to recognize the faces of famous people.

터키
The U.S. Thanksgiving holiday is symbolized by its traditional food, a large bird we call a turkey. But turkey is certainly not from Turkey.

낮에 난 상처가 빨리 낫는다
A new study suggests that the timing of a wound affects the speed at which it heals. Wounds suffered during the day heal around 60 percent faster than those sustained at night.