Centre Of Virtual Educational Research - COVER is a not-for-profit organization with the goal of changing education for the better by providing a free world-class education for anyone anywhere. All of the COVER's resources help out deficiencies in the schooling system prevalent in Pakistan by providing reinforcement and assistance in weak areas in education through virtual research. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get a leg up in earthly biology. COVER's materials and resources are available to you completely free of charge.