modern technology

No one can doubt the important role of scientists in our lives. Their discoveries and inventions help man to lead a better life , the TV , for example,has turned our world to a small village , you can see and hear any event wherever it happens. In medicine the medical field has been largely improved , the man now can live longer and healthier.we have sources of heat and energy to protect us from cold and darkness, In agriculture , scientists do their best to produce better crops and increase the productivity