Complex sentence: Van de Water has earned her B.S. in physics from the College of William and Mary in 2000, and a Ph.D. in physics from the University of Washington, Seattle, in 2005.
Split into simpler sentences: Van de Water has earned her B.S. in physics from the College of William and Mary in 2000. She then hearned her Ph.D. in physics from the University of Washington, Seattle, in 2005.