Centuries: 19th century - 20th century - 21st century
Decades: 1880s 1890s 1900s 1910s 1920s - 1930s - 1940s 1950s 1960s 1970s 1980s
Years: 1934 1935 1936 1937 1938 - 1939 - 1940 1941 1942 1943 1944
Art, Culture & Fashion
... waste products, or when employed in biotechnology, e.g., for brewing and bakery. They can also be harmful as pathogens when, as parasites, causing infections.
See also ...
Kids.Net.Au - kids safe portal for children, parents, schools and