food systems
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In 1989, following the year when Dell, Inc. went public, Dell explains how the company had a large problem with inventory management. As a result, the company failed to transition properly in the industry from one technology to the other. However, because of this critical mistake, the company learned how to correctly manage their inventory, and according to Dell, became the best in the world at it. Later on, Dell also notes the company did...more
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May 16, 2008 lecture by Rob Miller for the Stanford University Human Computer Interaction Seminar (CS547). Rob Miller discusses some of the explorations into keyword programming in the web automation domain, and also in other domains such as Java development. One surprising result is that programming language syntax often has relatively little information content, and can be inferred automatically from only a handful of keywords -- allowi...more
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Geography is very important in ecology. Two major systems have been designed to model this, island biogeography and metapopulations. The idea of metapopulations is more recent, and has emerged as the dominant theory. Metapopulations are populations in multiple neighboring areas. The population of a species in any individual area may go extinct, but the metapopulation still survives. The theory of metapopulations has gained momentum in rece...more
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Smith talks about how New Ventures aims to create systems that are K-12 to provide a coherent experience to children. Incubation is important. New Schools buys run down buildings and turns them into successful schools. They do everything from recruitment to management to building, she adds.
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June 1, 2009 - Leonard Susskind presents the final lecture of Statistical Mechanics 10. In this lecture, he cover such topics as inflation, adiabatic transformation and thermal dynamic systems.
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The growth of populations is held in check by several factors. These can include predators, food and other resources, and density. Population density affects growth rate by determining how likely is it that an organism will interact with a member of its own species compared to an organism of a different species. Population growth studies rely on the mathematics of logs and exponents.
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There are several ways to examine the behaviors of organisms when they forage or hunt for food or mates. These behaviors become more complex in higher organisms, such as primates and whales, which can hunt in groups. Foragers and hunters have been shown to examine the marginal cost and marginal benefit of continuing an action and then adjust their behaviors accordingly. They are also able to handle risk by hoarding resources.
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January 28, 2009 lecture by Julie Young for the Woods Energy Seminar (ENERGY301). In her talk "Renewable Ocean Energy Conversion Systems: Advancing State-of-the-Art," Young discusses renewable ocean energy technologies.
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Hunter-gatherer populations were much less dense than later agriculturalists. The variety of their food supply protected them from crop failures and their sparseness reduced the spread of infectious diseases. Hunter-gatherers were healthier and worked less than early agriculturalists. Why didn't their numbers increase up to the same level of Malthusian misery? Their numbers may have been limited by violence between groups. Agriculture is m...more
