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Cleaning up toxic waste spills in the waterways of public discourse.
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About RationalWiki

Our purpose here at RationalWiki includes:

  1. Analyzing and refuting pseudoscience and the anti-science movement.
  2. Documenting the full range of crank ideas.
  3. Explorations of authoritarianism and fundamentalism.
  4. Analysis and criticism of how these subjects are handled in the media.

We welcome contributors, and encourage those who disagree with us to register and engage in constructive dialogue.

Random featured article[What is this?]
The circular Tree of Life. 12:00 to 9:00 is bacteria, 9:00 to 10:30 is archaea and 10:30 to 12:00 is everything else.

Common descent is the theory that all living organisms on Earth descended from a common ancestor. Biologists have evidence that all life developed from a common ancestor that lived just under 4 billion years ago, and the concept is accepted by virtually all scientists working in the field. The structures and functions of all living organisms are encoded in the same basic nucleic molecules, DNA and RNA. Similarities in amino acid sequences between various organisms also suggest common descent, and the fossil record also shows cases in which one plant or animal type evolved into different types over time.

Creationists reject common descent as it implies an evolutionary model. Young Earth creationists, as Biblical literalists, reject it outright, believing that life was created within a few days less than ten thousand years ago. Intelligent design proponents may accept some aspects of common descent, as long as they are allowed to claim that the "designer" mucked with the genes and mutations along the way, but usually just claim "we don't know" what happened. Cdesign proponentsists probably believe a muddled overlap of these positions.

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Creationism portalCreationismAnswers in GenesisCreation MuseumCreation scienceBanana fallacyBaraminologyC-decayComplex specified informationDiscovery InstituteEvidence against a recent creationFalldiditHorizon problemIntelligent DesignYoung earth creationism
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