The one-hand method is a way to escape from a maze, when it is a simple maze. The walls in a simple maze connect with each other. Put one hand on a wall in the maze and keep walking. Then, you can find an exit from the maze.
[284호]
Lake Baikal is in Russia. It is the world’s oldest, biggest, and clearest lake. The surface of the lake freezes in winter. And the ice begins to crack every March. Then, people can see something amazing: the greenish-blue ice showing up through snow!
[283호]
There is an ancient city deep in the jungle. Recently, scientists found Mahendraparvata, a city in a Cambodian jungle. The city is 1,200 years old! People could not find the city, because of a huge
[282호]
Global Hand-washing Day (GHD) first started on Oct. 15, 2008. GHD is a campaign to motivate people to wash their hands with soap. The campaign has become more popular. More than 70 countries have participated in the campaign.
[281호]
Have you seen an animal that is this strange? For many years, scientists have explored the ocean in search of strange animals. Recently, they found a colony of animals called a siphonophore in the deep sea.
[280호]
Cricket is a popular sport in the United Kingdom, South Africa, and many other places in the world. A group of international cricket players set the world record for the highest cricket match ever
[279호]
Scorpions have strong poison and hunt prey with their stingers. But southern grasshopper mice in the United States are not afraid of scorpions. These mice eat scorpions! When they fight, the scorpions attack the mice by putting their venom in the mice. However, the mice absorb the venom, continue to fight, and win!
[278호]
Some people want to become slim, like some famous celebrities. However, being slim does not always mean that you are healthy.
[277호]
Autumn is beautiful! The leaves on trees change colors – red, orange, yellow, and more! Do you know how and why? The green stuff in leaves makes food for trees. Other colors are under the green. In autumn, leaves stop making food. The green goes away. Then we can see the other colors on leaves.
[276호]
Let’s eat the rainbow! Eating food of various colors, like a rainbow, helps you become healthy. For example, strawberries are red. They are rich in nutrients and antioxidants. Sweet potatoes are orange. They have calcium, niacin, and vitamins A and C. Butter-free popcorn is yellow.
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