Nature isn't what it used to be.
Potter
Polyxeni
P
Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA. PMP1@cdc.gov
D000818:Animals; D000829:Animals, Domestic; D001154:Art / Q000266:history; D005075:Biological Evolution; D001709:Biotechnology / Q000639:trends; D021821:Communicable Diseases, Emerging / Q000266:history; D005197:Famous Persons; D005818:Genetic Engineering / Q000639:trends; D049673:History, 20th Century; D006801:Humans; D019368:Nature; D010151:Paintings / Q000266:history*; D012586:Science / Q000639:trends*; D014481:United States