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Mixed race boy playing with molecular models
TTM22B99_170

Mixed race boy playing with molecular models

Student examining molecular model in science class
TTM22B98_357

Student examining molecular model in science class

Mother and daughter examining molecular model
TTM22C06_083

Mother and daughter examining molecular model

Girl examining molecular model in science class
TTM22C05_406

Girl examining molecular model in science class

Mixed race scientist using digital tablet in laboratory
TTM22C05_207

Mixed race scientist using digital tablet in labor...