Through his first six years in office, Franklin Roosevelt spent much of his time trying to bring the United States out of the Great Depression.
Drug Information. Benzodiazepines (BZO) are medications that are frequently prescribed for the symptomatic treatment of anxiety and sleep disorders. They produce their effects via specific receptors involving a neurochemical called gamma aminobutyric acid (GABA).
Bryozoa, also known as the Ectoprocta: An aquatic phylum with a huge fossil record (one of the most common in the Palaeozoic). Still fairly common, though little known to the public. There are now 5000 species, most of which build calcareous skeletons. They are almost all colonial, and all their zooids are clones.