1. News

    1. Forum Announcements

      Important announcements from the forum staff.

      2759
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    2. Science News

      Anything interesting happening in the scientific world? Talk about it here.

      7960
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    3. SFN Blogs   (5190 visits to this link)

      The latest from the SFN Blogs.

  2. Education

    1. Homework Help

      For assistance with (but not answers to) homework problems.

      21119
      posts
    2. Science Education

      Colleges, grad programs, MCAT, GRE, courses, and other aspects of scientific education.

      9450
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  3. Sciences

    1. Physics

      The world of forces, particles and high-powered experiments.

      174019
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    2. 53825
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    3. 70229
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    4. Mathematics

      From algebra to calculus, from trigonometry to set theory, it's all here.

      35846
      posts
    5. 42235
      posts
    6. 19034
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    7. Earth Science

      Geology, geophysics, oceanography, and so on.

      9503
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    8. 29205
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    9. 5122
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    10. Other Sciences

      Discussion of science topics that don't fit under any other category.

      24163
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  4. Philosophy

    1. General Philosophy

      General philosophical discussions.

      21195
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    2. Religion

      Forum for the discussion and examination of the rational foundations of religion.

      30883
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    3. Ethics

      Discussion of ethical topics relating to science, medicine, religion, and so on.

      13326
      posts
  5. SmarterThanThat Forums

    1. SmarterThanThat Videos

      Discussions of videos on SmarterThanThat.com.

      175
      posts
  6. Other Topics

    1. The Lounge

      Discuss life, work, school, anything!

      95932
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    2. Politics

      What's going on in the world and how it relates to science.

      100553
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    3. Suggestions, Comments and Support

      Ideas, questions and support for the forums.

      13515
      posts
    4. Brain Teasers and Puzzles

      Exercise your brain with these user-submitted puzzlers!

      7292
      posts
    5. Speculations

      Pseudoscientific or speculatory threads belong here.

      114988
      posts