Archaeological discoveries show that the area was already populated 10,000 years ago.
The discovery "shows how advances in technology have helped identify a potentially large development."
American officials said the discovery showed that Iraq could not be trusted to cooperate with the inspectors.
The discoveries show that, at least locally, there is a working petroleum system.
This discovery, he said, showed that the disease could be transmitted to different species.
A discovery has shown females are not breeding at the same time in a year.
This discovery also shows that important trade networks were set up much earlier than previously thought.
According to the researchers, the "discovery shows that water has been prevalent in the universe for nearly its entire existence".
This discovery showed that astrocytes likely play an important role in learning and memory.
Its discovery shows how much evidence has been missing up to now.