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  • branzei
    branzei
    707.923.1366
    PO Box 216, 95560-0216  Redway

    Sylvia Carol Branzei-Velasquez is the originator of Grossology, or the idea of teaching science through gross things. She is the author of Grossology, Animal Grossology, Grossology Begins at Home, Hands On Grossology and Grossology and You. Grossology, published in 1995 by Planet Dexter, has sold o…