supported+by+experiment+or+observation

  • 61Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …

    Universalium

  • 62Materialism — • As the word itself signifies, Materialism is a philosophical system which regards matter as the only reality in the world, which undertakes to explain every event in the universe as resulting from the conditions and activity of matter, and… …

    Catholic encyclopedia

  • 63Falsifiability — Are all swans white? Falsifiability or refutability of an assertion, hypothesis or theory is the logical possibility that it can be contradicted by an observation or the outcome of a physical experiment. That something is falsifiable does not… …

    Wikipedia

  • 64Alhazen — For the Moon crater, see Alhazen (crater). For the asteroid, see 59239 Alhazen. Alhazen Alhazen (Ibn al Haytham) …

    Wikipedia

  • 65Evolution as fact and theory — Part of a series on Evolutionary Biology …

    Wikipedia

  • 66Observations and explorations of Venus — Venus in real color as it would appear to the naked eye. Observations of the planet Venus were first recorded by Babylonian astronomers around 1600 BC and have continued into the present.[dubious – …

    Wikipedia

  • 67French literature — Introduction       the body of written works in the French language produced within the geographic and political boundaries of France. The French language was one of the five major Romance languages to develop from Vulgar Latin as a result of the …

    Universalium

  • 68Magnesium transporter — This page links directly from the magnesium in biological systems page. Magnesium transporters are proteins that transport magnesium across the cell membrane. All forms of life require magnesium, yet the molecular mechanisms of Mg2+ uptake from… …

    Wikipedia

  • 69Wave–particle duality — Quantum mechanics Uncertainty principle …

    Wikipedia

  • 70Signals intelligence in modern history — This article is a subset article of the article Signals intelligence, which addresses the unifying conceptual and technical factors and common technologies in this intelligence discipline. This article deals with signals intelligence in the… …

    Wikipedia