1.   But Washington wants the right to conduct laboratory simulations and very small nonradioactive explosions to test the safety and reliability of existing stockpiles of nuclear weapons.

2.   In addition, she said, it is unclear whether the laboratory rat simulation of the disease matches the disease in humans.

3.   Paris argues that the tests are needed to allow scientists to carry out laboratory simulations.

4.   The report by Ammann and others was based on laboratory simulations of urban air pollution.

5.   France is ready for laboratory simulation of nuclear tests, President Jacques Chirac told a cabinet meeting here Wednesday.

6.   After the tests are completed, France will return to laboratory simulation, he said.

7.   But Cirincione said the United States was moving closer to testing, despite what he called the reliability of laboratory simulations.

8.   While definitively renouncing nuclear tests, France has also embarked on cooperation with its nuclear partners using laboratory simulation to develop new weapons.