Front Cover: Flowering rain tree, Albizia Saman, photo credit Wikipedia Back Cover: A long-tailed pangolin Mangamba, Cameroon. Photograph: Fabian von Poser, from The Guardian Back Inside Cover: Sunset over the Pacific Ocean, as taken from space. Compare the light reflected off of the Earth's oceans -- which passes through the atmosphere twice -- with the light directly from the Sun: The direct sunlight? Nearly perfectly white! But the light that passes through the Earth's atmosphere, reflects off the ocean, and heads back through the atmosphere to you? Yellow! Photo Courtesy NASA.