"The Reason for Recess." by Alice Park is taking about the recess of childcare's study. In the article, the researchers in the Netherlands had found that children who got more exercise, whether at school or outside of school, can have a higher GPA and better scores in the basic subjects of math, English and reading. Some people think exercise isn't necessary for children. They need to spend more time in classroom instead of on the playground. But physical activity an help the blood flow to the brain. It helps them to fueling memory, attention and creativity. It makes the children can learn something better. Children take exercise or running around, at the same time, they are exercising their brains as well.
Hazardous Haze
The article shows there is another factor that can attack your heart beside unhealthy eating, low exercising and smoking. According to "Hazardous Haze" by Alice Park, air pollution is dangerous to human. Although air pollution is not as dangerous as other risk factors, it is important for two reasons. A group of scientists found that people's heart easily get hurt in air pollution even it is a short time to expose. People exposed to air pollution had a 5% higher that heart got suffering than the people who had lower exposure. Another study showed people exposed into air pollution can have 34% heart attack risk in only 12 to 14 hours. People' s heart had effected easily in air pollution, that is one reason why air pollution is dangerous. Another reason is everyone has to be exposed to poor air no matter how health their lifestyle is. The author concludes all researches he found by showing the problem we have and have to improve.
3/1/2012 Wireless Windfall
According to "Wireless Windfall" by Sam Gustin describes about wireless. Now there are many i-phone i-pad and Android-based smart phone. Therefore, the lawmakers agreed the U.S government to buy the valuable wireless spectrum. The new spectrum is more faster and more reliable service for movies, video games and other bandwidth-intensive services than before. There are two reasons that make lawmakers agreed to buy the valuable wireless spectrum. The first reason is the valuable wireless spectrum can help the government to have a new revenue. It's because there are many phones can use wireless. For example, i-phone, i-pad and Android-based smart phones have the ability to go on internet to watch movies, search information or play video games. Consequently, there are 15 billion income from the unemployment benefits. In addition, there are 1.75 billion from TV broadcasters and 7 billion from public-safety network. It's a very big number for revenue. The second reason is it helps the jobless. It's because there are many people don't have a job, therefore it helps many people to get a job. Concluded the reasons on top, it is helpful for government to earn more money and helps the unemployment rate come drown.