Last week, in the Arctic Sea, a polar bear swam 687 kilometers. She swam for 9 days without resting. She swam the long distance to find food. The sea ice is melting in the Arctic. Polar bears have to swim for longer and longer in order to reach food. The female polar bear lost 10 kilograms
[116호]
The Sambas stream toad is also called the Bornean rainbow toad. It was last seen in 1924. Then for 87 years, no one saw the toad again. This summer, a team of scientists started searching for the toads again. After many months, they found three rainbow toads! The toads were found in the
[115호]
Many poor homes in the Philippines are saving a lot of energy and money with plastic water bottles. Early this month, volunteers put water and bleach into water bottles. Then, they took the bottles and put them in the roofs of homes. The sunlight bounces into the top of the bottle and lights up
[114호]
Some people are identical twins. They look the same. It may be hard to tell the two apart. But dogs can! Last week, scientists in Prague did tests on twins from Europe and the U.S.. The tests showed that dogs can tell identical twins apart. They do this by smelling people. Isn’t that
[113호]
In one part of western Poland, there is a forest. The forest has 400 pine trees. The pine trees are special because the trunks of the trees are all bent. The trees were planted around 1930. Someone bent the trees when they were 7 to 10 years old. Last week, reporters took photographs of the
[112호]
Last week, people came to see a light bulb at a fire station in Livermore, California. Why is this light bulb so special? It is the oldest working light bulb in the world. It is 110 years old and it is still working! It was the light bulb’s birthday last weekend. No one knows why it is still working.
[111호]
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