Slide image: Photographic banner centered horizontally in front of a sunburst image used for the National Science Foundation "You Tube" home page. The photographs show from left to right: tree frog hanging from a limb; writing superimposed over a human face; two individuals silhouetted against a sunset sky looking through a telescope; robotic limb; computer motherboard; underwater coral reef wall teeming with fish and sea life; stormy desert scene with a Saguaro cactus in the foreground; graphic illustration showing the interconnectedness of the world; child squinting through a microscope

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