Build biosphere

The biosphere is as important as water in our life. Without the biosphere the Earth will be brake down because blanet related to another colony like Mars. Thus, we should build the biosphere and study another colony such as Mars and Venus. Also, the biosphere has to all forest the live such as plants , O2 , and water . In addition, if we don't bulit the biosphere actually we need send too much people to another colony because we protect our live also the way will be expensive .

Biological clock

The biological clock control our body when we sleep or work. For example, when ariffe to endothermic country after Jong trip , the time will be change and we can not sleep because our biological clock is programmatic on first country. Also, when we work long time at night and our work change to morning we can't sleep or adapt to work on morning because the biological clock was organized our body to work at night. 

one person his 7.7 billion

  Rajhi is a famous in Middle East , because he began his life from poor to riches. where he was chilled and his brother Saleh began their business by changing money for travelers taking camel convoys across the desert to the cities of Mecca and Medina. After few years of his business he established a first Bank in Saudi Arabi. The Al Rajhis helped the foreign workers to send their earnings home to places like Indonesia and Pakistan. Moreover, In 2011, his wealth was estimated by  to be $7.7 billion, but In May 2011, he decided to  donat most of his $7.7 billion fortune to charity.

http://en.m.wikipedia.org/wiki/Sulaiman_Abdul_Aziz_Al_Rajhi