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Gr 6–8—This is a general overview of not just infectious diseases, but also of related research such as the refinement of the microscope in 1670, the inception of vaccines in 1796, and the seminal formulation of various medical theories...
Gr 4-6 Each of these titles highlights a specific, and often obscure, invention from the past decade that is making, or has the potential to make, a real difference in the world...