non-hypothetical
51Black hole — For other uses, see Black hole (disambiguation). Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitat …
52Marcus theory — is a theory originally developed by Rudolph A. Marcus, starting in 1956, to explain the rates of electron transfer reactions – the rate at which an electron can move or jump from one chemical species (called the electron donor) to another (called …
53Planetary objects proposed in religion, astrology, ufology and pseudoscience — This article is about non scientific hypothetical planetary objects. For scientifically accepted hypothetical planetary objects, see Hypothetical planet (disambiguation). For fictional planets, see Planets in science fiction. There are a number… …
54Magnetic field — This article is about a scientific description of the magnetic influence of an electric current or magnetic material. For the physics of magnetic materials, see magnetism. For information about objects that create magnetic fields, see magnet. For …
55Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate …
56ethics — /eth iks/, n.pl. 1. (used with a sing. or pl. v.) a system of moral principles: the ethics of a culture. 2. the rules of conduct recognized in respect to a particular class of human actions or a particular group, culture, etc.: medical ethics;… …
57Jesus myth theory — The Resurrection of Christ by Noel Coypel (1700). Jesus myth theorists see this as one of a number of stories about dying and rising gods. Description The …
58Gospel of the Hebrews — Part of a series on Jewish Christianity …
59Doomsday argument — World population from 10,000 BC to AD 2000 The Doomsday argument (DA) is a probabilistic argument that claims to predict the number of future members of the human species given only an estimate of the total number of humans born so far. Simply… …
60Placeholder name — Placeholder names are words that can refer to objects or people whose names are either temporarily forgotten, irrelevant, or unknown in the context in which they are being discussed. Whatchamacallit (for objects) and Whatshisname or Whatshername… …
