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Black and white photo of two men, Melvin Klein and Kenneth Sauer, working together behind a computer. Stalks or blades of a green plant grow from the top, with the area just beneath the surface also visible as soil, root systems and a fuzzy white substance surrounding them. A photo taken in the deep sea. Black clouds billow out of hydrothermal vents. Using SLAC’s X-ray laser, researchers have finally seen the process by which nature creates the oxygen we breathe. (Credit: Greg Stewart/SLAC National Accelerator Laboratory) plastic water bottle Image featuring S. divinum (red) and S. angustifolium (green)] Ribbon diagram of a protein structure.