• Botany
  • What Kinds of Seeds Are These?

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    So maybe there is no new method, unique to science, that scientists have to use to make any progress; and maybe scientific knowledge is not a special separate kind of knowledge, either; but surely scientists are the people who create scientific knowledge. Intelligence makes clear to us the interrelation of means and ends. At the atomic level in a material like iron, which has strong magnetic properties, all the iron atoms are acting as mini magnets aligned in the same direction.
  • Botany
  • Plant Cells and Life Processes (Investigating Cells)

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    Iodine, for example, forms part of the thyroid hormones that regulate metabolism. Go Fish: Using the matching set above you can play Go Fish. The retina contains a chemical called rhodopsin, or "visual purple." Still, we can't clean up ecosystems or protect the organisms in them if we don’t know there's a problem. Meanwhile, Struth’s photographs taken in Israel and Palestine lay bare contested regions, where a different kind of ambition has manifested itself in conflict.
  • Botany
  • Fruits (See How Plants Grow)

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    Thus, we are globally deceived about the nature of the world because our brains are actually in vats (BIV, for short) in the laboratory of some mad scientist, who is able to stimulate the brains in ways that simulate the perception of external reality. Within the Mesopotamian cylinder seals (of which more than 100,000 such books have been unearthed so far) these "fire stones" are often described to be made out of 'superconducting-like' elements, usually monatomic iridium from meteorite.
  • Botany
  • Experiment With a Plant's Roots (Lightning Bolt Books)

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    This phase lasts for about two to three weeks. Instead, the discovery prompts a change, usually a minor one, in the theory. Living things exhibit a high level of organization, with multicellular organisms being subdivided into cells, and cells into organelles, and organelles into molecules, etc. Plomin built his reputation on conducting numerous studies of identical (monozygotic) and fraternal (dizygotic) twins to try to tease out behavior from genes and non-shared environments.
  • Botany
  • Biomes Atlases: Tropical Grasslands

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    Different languages do this in different ways, and the rules and transformations that make for different surface expressions are studied in linguistics. Damage to the sinoatrial node can result in a slower heart rate. Meanwhile, the New World family members enjoy the attention of many more insects while staying on ground. That decline continued from 1980, when federal spending was 21.6 percent of Gross Domestic product, to 2000, when the figure was 18.7 percent. From Etsy.tv, Korehira Watanabe is The Swordmaker.
  • Botany
  • Do Plants Really Eat Insects? (Science FAQ)

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    The energy from tidal forces can be harnessed for electricity using tidal turbines, fences, or barrages. Unlike skeletal muscle cells that need to be stimulated by nerve impulses to contract, cardiac muscle cells can contract all by themselves. It turns out that if b evenly divides a, then predator b is likely to appear in synchrony with the cicadas and perhaps eat them. Much of the talk about the Mind-Body Problem in the 20th century has been reductionistic and behavioristic, starting with Gilbert Ryle's Concept of Mind, which said that "mind is to body as kick is to leg."
  • Botany
  • The Life Cycle of a Pine Tree (Plant Life Cycles)

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    It's also common to have different rates for different customers. It was probably inevitable that the Muslims should have discovered that disease need not be born within the patient himself but may reach from outside, in other words, that they should have been the first to establish clearly the existence of contagion." "One of the most famous exponents of Muslim universalism and an eminent figure in Islamic learning was Ibn Sina, known in the West as Avicenna (981-1037).
  • Botany
  • COOLBEAN The Soybean

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    The frontier reached by the Pacific Railroad, surveyed into rectangles, guarded by the United States Army, and recruited by the daily immigrant ship, moves forward at a swifter pace and in a different way than the frontier reached by the birch canoe or the pack horse. Like protanopia, it is a form of color blindness where only two types of cone pigments are present, is hereditary, and present in 1% of males. For example, herbivory can increase litter decomposition and nutrient cycling via direct changes in litter quality and altered dominant vegetation. [30] Insect herbivory has been shown to increase rates of decomposition and nutrient turnover due to changes in litter quality and increased frass inputs. [1] [31] However, insect outbreak does not always increase nutrient cycling.
  • Botany
  • Fiddleheads to Fir Trees: Leaves in all Seasons

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    The moth would spread more of its pollen, and so more of the plants would be able to make seeds. Wolfgang Smith, Cosmos & Transcendence: Breaking Through the Barrier of Scientistic Belief (P. Although some of the work was completed by American researchers and partly funded by the American government, the project represents the prominent international collaborations that are shaping botany today, with aid also provided by the European Union and the Japanese government and research carried out in America, Great Britain, France, Germany, and Japan.
  • Botany
  • America's Wetlands: Guide to Plants and Animals (America's

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    By the end of the Devonian period, several groups, including the lycopods, sphenophylls and progymnosperms, had independently evolved "megaspory" – their spores were of two distinct sizes, larger megaspores and smaller microspores. FMFM 1 (1989) and its successor, MCDP 1, both drafted by John Schmitt, also have a substantial flavoring from Sun Tzu, whose ideas (or attitudes) permeate USMC thinking. Sometimes this is because of unexpected differences in the things being investigated, sometimes because of unrealized differences in the methods used or in the circumstances in which the investigation is carried out, and sometimes just because of uncertainties in observations.