Word: diets
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There's nothing new about breasts, thighs and silliness on Italian TV. They have bedazzled viewers since the 1980s, when the television stations of Silvio Berlusconi, a mere media mogul before entering politics, revolutionized the airwaves by putting Italians on a diet of American soap operas, football and sex all over his Mediaset empire. But the formula was about more than TV ratings; it also boosted Berlusconi's political fortunes. (See pictures of Berlusconi and the politics...
DogCroc, by contrast - dog-size, with a doglike nose - mostly ate plants and grubs. It could run too, but, Sereno suspects, "it probably ran down the bank to escape from dinosaurs." Bucktoothed RatCroc was also small and ate a similar diet. DuckCroc, about 3 ft. long, had a broad snout for rooting in shallow water and onshore, ducklike, for fish and frogs. And PancakeCroc was named for its wide, flat head, which it kept low, jaws open, waiting for an unsuspecting dinosaur to step into the mouth. "Modern crocs can take prey three times their size, if necessary," says Sereno...
Other studies reinforce the importance of play as an essential protein in a child's emotional diet; were it not, argue some scientists, it would not have persisted across species and millenniums, perhaps as a way to practice for adulthood, to build leadership, sociability, flexibility, resilience - even as a means of literally shaping the brain and its pathways. Dr. Stuart Brown, a psychiatrist and the founder of the National Institute for Play - who has a treehouse above his office - recalls in a recent book how managers at Caltech's Jet Propulsion Laboratory (JPL) noticed the younger engineers lacked problem-solving...
That diversity and its impact came into plain view when the researchers started experimenting with the rodents' diet. When one group of mice was fed a typical Western diet, high in fat and sugars, they tended to gain weight and grow more Firmicutes gut bacteria and fewer Bacteroidetes. In mice given a low-fat plant-based chow, the distribution of the two groups of bugs flipped and the animals remained lean. It's not clear whether the balance of gut bugs causes weight gain or is a result of it, but the findings suggest that a "gut profile" could potentially...
Gordon also found in his mouse populations that changing the animals' diet caused a dramatic and rapid shift in the population of bacteria in their gut. Switching a mouse from low-fat plant chow to a high-fat Western diet resulted in an explosion of Firmicutes in less than...