The biotech industry once told the world that Bt insecticidal crops were only harmful to insects and were harmless to pets and people. But a new study of the ecotoxicological risks of widespread commercial Bt spraying found otherwise. Introban®, a Bt-containing product, caused 100% lethality in amphibians. Dr. Eva Sirinathsinghii tested the effects of Introban®, a commercial formulation of a Bacillus thuringiensis (Bt) …