Add Yahoo as a preferred source to see more of our stories on Google. In this Friday Dec. 1, 2017, photo, 93-year-old Mary Derr sits on her bed near her robot cat she calls "Buddy" in her home she ...

A non-surgical, single-dose contraceptive has remained effective for at least three years in six female cats, and the effect is expected to last for the rest of their lives. If it does, the injected ...

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