The hardships that I encountered in the past will help me succeed in the future.
One out of every 100 American men is HIV positive. The rate of infection has reached epidemic proportions in 40 developing nations.
Eighty percent of Americans with HIV do not know they are infected.
Nelson Mandela and Malcolm X came out of prison stronger.
Our lives sometimes depend on computers performing as predicted.
Scientists try to discover or unravel the mysteries of nature. Some of the problems we are trying to solve have been solved in nature.