Eighty percent of Americans with HIV do not know they are infected.

Nigeria is a West African nation of over 100 million energetic people. It is endowed with lots of natural resources but lacks human resources.

Our lives sometimes depend on computers performing as predicted.

I dropped out of high school four times between the ages of 12 to 17.

Due to financial reasons, I dropped out of school after eight years of formal schooling.

When I enrolled in college at age 19, I had a total of eight years of formal classroom education. As a result, I was not comfortable with formal lectures and receiving regular homework assignments.

The greatest grand challenge for any scientist is discovering how to prevent the spread of HIV and finding the cure or an effective vaccine for AIDS.