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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.
Illicit drug use costs the United States approximately $181 billion every year.
There are more bacteria in your mouth than there are people in the world.
Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.