Complex sentence: Mello attended Fairfax High School (Fairfax, Virginia) and later received his B.S. from Brown University in 1982 and his Ph.D. from Harvard University in 1990.
Split into simpler sentences: Mello attended Fairfax High School (Fairfax, Virginia). After receiving his high school diploma, Mello attended Brown University and received his B.S. in 1982 and his Ph.D. from Harvard University in 1990.