magnetism(A class of physical phenomena associated with moving electricity, including the mutual mechanical forces among magnets and electric currents)
malaria(A group of human febrile diseases with a chronic relapsing course caused by hemosporidian blood parasites of the genus Plasmodium, transmitted by the bite of Anopheles mosquito)
gender issue(A point, matter or dispute concerning the capabilities, societal roles or other differences and divisions between women and men, especially the relative weight of biological and physical difference versus culture and socialization as a cause of those distinctions)