(Encyclopedia) breast cancer, cancer that originates in the breast. Breast cancer is the second leading cause of cancer death in women (following lung cancer). Although the vast majority of the cases…
Pixar hopes for another special-effects coup with A Bug's Life. Colonies of another kind — those inhabited by ants — are the setting for two tales about misfit Formicidae…
WHAT IS A PROTIST? BIOGRAPHY: LOUIS PASTEUR (1822–1895)VIRUSESBACTERIAFIND OUT MOREAny living thing that is invisible to the naked eye and can be seen only under a microscope is called a…
(Encyclopedia) dementiadementiadĭmĕnˈshə [key] [Lat.,=being out of the mind], progressive deterioration of intellectual faculties resulting in apathy, confusion, and stupor. In the 17th cent. the…
—By Karen Barss The story of human evolution began in Africa about six million years ago and it describes the very long process that our ancestors went through to ultimately become modern humans.…
