Science–in English usage is a very narrowly defined word–as opposed to the broad body of information implied by  the German and French use of the word has three meanings: a corpus, a means, a doing.    
      
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      Blackholes | Themes | Science as a way of knowing | How to know | Doing something with knowledge | Body of knowledge | Ecology | Lessons
       In doing experiments scientist's findings can be challenged and, inevitably, 
      what we currently know may change.
In doing experiments scientist's findings can be challenged and, inevitably, 
      what we currently know may change.
      Defining science is not quite as simple as the word may suggest, because different cultures have classified knowledge in divergent ways.
        
    Discovering you are wrong! | What is here? | describing science | Subjects | means to know | Doing things | Alphabetical list | Ecology | Seven lessons | graduate books | primary source 
    Return to Feynman | Go to Gell-Mann | go to Einstein | Karen Horney: personal growth | unseen genome | Uncertainty as a guide | 
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      Kip 
        Thorne, Cal Tech theoretical physicist has written that "In the decades 
        since 1967, some things we thought were sure have been proven wrong. 
        (For example we could never have believed in 1967 that a black hole can 
        evaporate.) This has taught us caution."
      A black hole–predicted by general relativity theory–is the result of a far more massive star than our sun after it collapses and the gravitational forces are so great that light cannot escape the gravity field. Even at 186,000 miles per second the speed of light is less than the "escape velocity" needed to break free of the collapsed star.
      
        As Stephen Hawking explains "Radiation from 
          black holes was the first example of a prediction that depended on both 
          great theories of this century, general relativity and quantum mechanics."
      
       See Hawking's theory. 
      
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      Here is a broad thematic index to important places on this site for discussing science.      
      

      
        Apparent motion of 
          the planets in time-lapsed photography, from the earth.
      
       
      
      Earth 
        as if it were the central feature of the universe.
      
      
      Science 
          is 
      a means of knowing the world systematically.
      Caveat: 
      Defining science is difficult:
      "The French and German triads that correspond to our plain English 'natural sciences, social sciences, and humanities', are 'les sciences natruelle, les sciences sociales, et les sciences humaines' and 'die Naturwissenschaften,       die Sozialwissenschaften, und die Geisteswissenschaften.' In both the term for studies of poetry, language and philosophy–studies that are humanistic and decidedly literary in form–includes a 'science' word.
      The point is that the foreigners have gotten it right. 'Literary criticism is a science' or 'Economics is a science' should not be the fighting words they are in English. The fighting lacks point because, as our friends across the water could have told us, nothing important depends on its outcome. Indeed, science is a collection of literary forms, Not a Science. And literary forms are scientific."
      Deirdre N. McCloskey, The Rhetoric of Economics. Madison: University of Wisconsin Press, 1998 (2d ed.) [1985]. p. 21.
        
      Science 
        | nature | ecology 
        | lessons | scientific 
        related topics | technology | additional 
        material
      
         
        
      
        
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        How 
          to know: This is the Greek concept of epistemology, the study of how we know things. 
      
      
      
        Science 
          is 
            a means of knowing systematically with 
              some certainty, so how we know is as crucial as what we know. 
        How we know something is called a method:
        
          Methods: 
            these are two related pages that discuss, examine in some detail 
            and diagram the means we have from distinguishing facts from opinions. 
            See also certainty, science, and vocabulary.
          Model 
            here is a schematic diagram of ecological relationships in any place.
          method, 
            Scientists commenting on the means they use to understand nature 
        
      
      
       
      
        
          
            
              
                
              
            
          
        
      
      Doing something with 
        what we discover:
      
        
          
            
              
                Science 
                  as related to technology
                
              
            
          
          Technology is discussed and examined as the means we have to solve the apparent 
            difference between an existing and a desired state of affairs or conditions.
          
              Technology is defined here as the application 
          of knowledge to human affairs.
        
      
       
       
        Corpus,or  Body 
        of Knowledge: 
      
       
      Atomic What are atoms, nuclear fusion,  neutron decay, fission and the bombs?
      

      Biological 
        diversity explained in detail.
      biological 
        game of life is a very different view of nature.
      Biogeochemical 
        Cycles, Biological, geological and chemical cycling of nutrients for 
        growth.
      Bohr model of the atom.
      
      Bronowski on Science and human values. 
      Climate 
        change, a guide to pages related to global warming, the issue examined 
        and discussed.
       
        Two 
          million years of climate & Global Warming data
        
      
      Complexity 
        of nature and the biosphere
      
      
        
      
      Darwin, On 
        the Origin of Species, (1859)
       Diversity of Life, E. O. Wilson
Diversity of Life, E. O. Wilson 
      Einstein's 
        thoughts about research and society
      Einstein and Bohr 
      Electric words 
      Electricity
       Evolution 
        was Charles Darwin's revolutionary proof of common descent by means 
        of natural selection.
Evolution 
        was Charles Darwin's revolutionary proof of common descent by means 
        of natural selection.
      Evolution, what is it? 
       
      Feedback 
        is defined and examples of how it is used in these pages is explained.
      Fermat's last theorem
      Fission, What is it? 
      Five dimensions, not three? 
      Five 
        Scientific Revolutions.
      see 
        below for lessons:
       
      
Science 
        | nature | ecology 
        | scientific related topics | technology 
        | Genes
       
      
Global 
        Warming
       
        Frequently 
          asked questions, about climate change
        IPCC's Fourth Assessment findings 
        Atmosphere
        Hansen's Recent findings 
      
      Galileo 
        Galilei
      
       
      Genes: visualizing chromosomes and cell nuclei. 
      Genetics, 
        the history of in brief.
      Genetic 
        resistance to disease, an example.
      Genetics: 
        genotype differs from phenotype.
      Genome, highlights of traits from across the chromosomes.
      Hawking's theories, Stephen Hawking.      
      Universe in a Nutshell, Stephen Hawking.
      Lewontin, The Triple Helix.
       Living 
        Downstream, an ecologist looks at cancer.
Living 
        Downstream, an ecologist looks at cancer.
      Mayr, Ernst, One Long Argument.
      Mayr on species.
      Mayr's diagram of Darwin's theories
      Margulis, Symbiotic Planet.
       Corals are symbiotic creatures
 Corals are symbiotic creatures
      Medicinal 
        values of plants, an example.
      Miller, G. Tyler on ecosystems.
      Ockham's 
        Razor, the importance of avoiding pleonasm in your writing!
      On 
        the Origin of Species, by Charles Darwin, (1859)
       Darwin's study at Down House.
 Darwin's study at Down House.
      Plutonium 
        and its use.
      Related 
        to technology
      Scientific 
        method, three necessary features of
      Scientists 
        commenting on the method
      Water
      
      Water and energy as twin necessities.
      

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      Science 
        | nature | ecology 
        | scientific related topics | technology
      
       Ecology
Ecology
       
        Ecological 
          biotic community: examined and defined
        Ecological 
          subjects connected at this location; three laws
        Ecology, 
          definition, examples, commentary and links
        Ecology 
          used as a model of relations among integrated parts
        Estuaries
        Energy as an ecological concept 
        Ehrlich and Ehrlich - The Dominant Animal 
        Hardin, ecology as a synthetic science
        Carolyn 
          Merchant's idea of ecological revolutions.
         
           
             
              diversity biological 
            Carrying capacity 
            Carbon cycles
            ecological terms  
            Living ecologically 
            human ecology
            Total fertility rates in the world  
            The Great Thirst -- California water and growth 
            Landscape's ecological role 
            Niche.
            productivity.
            keys to analyzing ecological problems
            Keystone species
            Keystone species by habitats
            Next
          
        
         
        Lessons
        
        Science 
          sources. 
         
           
            lesson 
                one: on 
              the meaning and confusion of terms.
            lesson 
                two: means 
              of knowing the enveloping mystery.
            lesson three: 
              revealing the order in the mystery.
            lesson four: 
                The body of knowledge about this 
              mystery.
            lesson five: the planet Earth is on the verge of exhaustion. 
            lesson six: understanding symbiosis and coevolution.
            lesson seven: expressing worldviews in writing  from texts.
             
             
               
                
              
            
          
        
      
      
        The 
            intrinsic value of character and the importance of the life we 
            are protecting
          Research
          Museums 
            and Library sources for research
          Next
          
          
            
              Annotated index of science subjects – is Science Added index
              Visual index to of science subjects 
              Science subjects  new to the sight
new to the sight 
            
          
      
      
      
         
      
      Terms 
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        webs | Basic vocabulary 
        | Advanced Vocabulary | 
        Antonyms | Synonyms 
      
         
      
      
       
         
          Science 
            | nature | ecology 
            | scientific related topics | technology
          Science revolutions index | added material index | Science index