Bioluminescence is everywhere on earth—most of all in the ocean, from angler fish in the depths to the flashing of dinoflagellates at the surface. Here, Thérèse Wilson and Woody Hastings explore the natural history, evolution, and biochemistry of the diverse array of organisms that emit light.
While some bacteria, mushrooms, and invertebrates, as well as fish, are bioluminescent, other vertebrates and plants are not. The sporadic distribution and paucity of luminous forms calls for explanation, as does the fact that unrelated groups evolved completely different biochemical pathways to luminescence. The authors explore the hypothesis that many different luciferase systems arose in the early evolution of life because of their ability to remove oxygen, which was toxic to life when it first appeared on earth. As oxygen became abundant and bioluminescence was no longer adequate for oxygen removal, other antioxidant mechanisms evolved and most luminous species became extinct. Those light-emitting species that avoided extinction evolved uses with survival value for the light itself. Today’s luminous organisms use bioluminescence for defense from predators, for their own predatory purposes, or for communication in sexual courtship.
Bioluminescence was earlier viewed as a fascinating feature of the living world, but one whose study seemed unlikely to contribute in any practical way. Today, bioluminescence is no longer an esoteric area of research. Applications are numerous, ranging from the rapid detection of microbial contamination in beef and water, to finding the location of cancer cells, to working out circuitry in the brain.
Driven by grit and determination during the Depression, John Ruan parlayed a one-truck business into Ruan Transportation Management Systems, one of the nation’s leading trucking, leasing, and logistics companies. The trucking business made John Ruan one of the wealthiest and most influential people in Iowa and was the foundation for his vast fortune which included interests in insurance, banking, financial services, international trade, and real estate.
In the 1970s and 80s, Ruan led Des Moines’s renaissance with the construction of the 36-story original Ruan Center, the Marriott Hotel tower, and the Two Ruan Center office complex. But his contributions reached far beyond the confines of Iowa. As a philanthropist, Ruan was a long-time sponsor of the World Food Prize, which recognizes the importance of a nutritious and sustainable food supply for all people.
Based on extensive interviews with Ruan, family members, business associates, friends, and colleagues, as well as privately held papers and archives, In for the Long Haul presents a discerning portrait of this hard-charging yet compassionate businessman.
In Science, Bread, and Circuses, Gregory Schrempp brings a folkloristic viewpoint to the topic of popular science, calling attention to the persistence of folkloric form, idiom, and worldview within the increasingly important dimension of popular consciousness defined by the impact of science.
Schrempp considers specific examples of texts in which science interpreters employ folkloric tropes—myths, legends, epics, proverbs, spectacles, and a variety of gestures from religious traditions—to lend credibility and appeal to their messages. In each essay he explores an instance of science popularization rooted in the quotidian round: variations of proverb formulas in monumental measurements, invocations of science heroes like saints or other inspirational figures, the battle of mythos and logos in parenting and academe, the meme's involvement in quasi-religious treatments of the problem of evil, and a range of other tropes of folklore drafted to serve the exposition of science.
Science, Bread, and Circuses places the relationship of science and folklore at the very center of folkloristic inquiry by exploring a range of attempts to rephrase and thus domesticate scientific findings and claims in folklorically imbued popular forms.
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