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.
[285호]
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]
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