bike sharing _ A successful model. Bike sharing is one way to create a more eco-friendly society. But has it worked? The answer is yes. Bike sharing is now popular in hundreds of cities around the world. One of the most successful programs is in Paris, and there are three reasons for its success. First, the city planned its program carefully. The city leaders found the places where residents and visitors would need bikes the most. Then they placed them conveniently at bus stops and subway stations. They also made sure that the next bike station was never far away. Second, the city leaders made the service cheap.They did this in a clever way: they found a company which wanted advertising space. In exchange for advertising space, the company paid for the bike stations. in this way , the city made the service low-cost for users. Third, the city presented the program as modern and fashionable. Bikes were presented as a new and cool way to travel around the city. This made the program popular.

According to the story of Roman gods, Vulcan was the god of fire. His father was Jupiter, the king of the gods, and Juno was his mother, the queen of the gods. Having Jupiter and Juno as parents, Vulcan was expected to be quite handsome, but baby Vulcan was small and ugly. Juno was so surprised that she threw the babyon the top of Mount Olympus, the home of the gods. Vulcan fell down for a day and a night. Thetis, a sea-nymph, found him and treated him as her own son. Vulcan lived in Mount Etna on the island of Sicily. He worked in a shop inside a volcano. Using the fire from a volcano, Vulcan was able to make very powerful weapons for Roman gods, but he was kind and peaceful. He married Venus, the goddess of love and beauty. It was said that whenever Vulcan fought with his wife, he became so angry that sparks and smoke rose up from the top of the mountain, creating a volcanic eruption.

Will Shortz: A Puzzle Maker When you ask kids what they want to be, you often hear a pilot, a doctor, or a firefighter. But 14-year-old Will Shortz had a different answer. He wanted to become a puzzle maker. Will did not just talk. He took action to make his dream come true. He started sending in his puzzles to magazines. In college, Will could not find a major in puzzle making, but he did not give up. He created courses for himself with the help of professors. Soon, he became an expert. After graduation, he created puzzles for a small magazine for fifteen years. Then something wonderful happened to him. he got a job at famous national newspaper. There, he made big changes in the puzzle section, making it more fun. His puzzles became famous all over the country. Will's unique childhood dream came true because he never let go of it.