Snow is exciting! It looks pretty, like feather or cotton falling from the sky.
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Usually, fire trucks are red, and surgeons’ gowns are green. This is not an accident. Fire trucks are red to grab your attention and to alert you. Surgeons wear green to make their eyes
[292호]
Serotonin is a chemical in our bodies. You may feel cold or down without enough serotonin. People may eat to feel warmer or better. However, please watch what you eat. Junk food may taste
[291호]
Cho Kyung-cheol* Observatory opened on Mt. Gwangdeok in Hwacheon, Gangwon Province, in 2014. It is the highest observatory in Korea. Many amateur observers climbed the mountain to
[290호]
Colds are common sicknesses in winter. The following tips may help you avoid cold: Stay clean.
[289호]
Kids are usually afraid of seeing a doctor. In Israel, a special hospital offers new experiences for young patients. The doctors wear clown costumes while they treat kids there. The doctors want young patients to have a pleasant experience. It is called the Dream Doctors project.
[288호]
When we are in the cold, the nerves of our bodies detect it and send signals to our brains. Then our brains order muscles to quickly tighten and loosen many times. We shiver, with our teeth
[287호]
Phillip Stoll was walking near his home. The nine-year-old boy found the tooth of a mastodon in Apr. this year. Nathan Gray, a ten-year-old boy, spotted a supernova, an exploding star in space, last year.
[286호]
Do you think that mammals lived with dinosaurs? Scientists from Stony Brook University found a mammal’s fossil in Madagascar. They named the new fossil Vintana sertichi. They think that it lived 66 million years ago.
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