Some toads had been given olfactory-disrupting zinc sulfate, blocking their sense of smell; others had their magnetic-homing abilities temporarily scrambled by magnets glued to their heads.

And zinc plus sulphuric acid gives us zinc sulfate. And the salt that we put on our food is produced when sodium reacts with hydrochloric acid, giving us the salt compound sodium chloride.

For 25 years of uninterrupted work, the Center for Research and Rehabilitation of Hereditary Ataxias (Cirah by its Spanish ...