SOLEIL Gif-sur-Yvette and Saclay, which host other facilities for nuclear and particle physics. The facility is an associate member of the University of Paris-Saclay. SOLEIL also hosts IPANEMA, the European research platform on ancient materials (archaeology, palaeontology, past environments and cultural heritage), a joint CNRS / French Ministry of Culture and Communication research unit. SOLEIL covers fundamental research needs in physics, chemistry, material sciences, life sciences (notably in the crystallography of biological macromolecules), earth sciences, and atmospheric sciences. It offers the use of a wide range of spectroscopic methods from infrared to X-rays, and structural methods such as X-ray diffraction and
Cité Soleil members in Port-au-Prince, but since then the atmosphere there has not improved; the armed roadblocks and barbed wire barricades have not been removed. After four people were killed and another six injured in a UN operation exchange of fire with criminals in Cité Soleil in late January 2007, the United States announced that it would contribute $20 million to create jobs in Cité Soleil. In early February 2007, 700 UN troops flooded Cité Soleil, resulting in a major gun battle. Although the troops make regular forcible entries into the area, a spokesperson said this one was the largest attempted so