Each of the gene segments within the 2009 H1N1 influenza virus have been found in pigs for more than 10 years prior to the beginning of the 2009 H1N1 influenza outbreak. Pigs have long been considered a possible mixing vessel for influenza viruses that originate within pigs, birds and humans.
The art of the ancient Greeks and Romans is called classical art. This name is used also to describe later periods in which artists looked for their inspiration to this ancient style. The Romans learned sculpture and painting largely from the Greeks and helped to transmit Greek art to later ages.
Ancient Greek Sculpture Lesson. There are three main periods of Greek Sculpture; Archaic, Classical and Hellenistic. The Greeks were blessed with a large supply of marble, which was what they used most in their sculptures. Bronze was also used in their artistic work of humans.he second period, the Classical period, was between the Archaic and Hellenistic times. The Classical period shows a very large shift from the stiff Archaic to a more realistic and sometimes idealistic portrayal of the human figure. Females, after the 5th century B.C., were depicted nude, often with flowing robes.