1. News

    1. Forum Announcements

      Important announcements from the forum staff.

      2870
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    2. Science News

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

      9281
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    3. SFN Blogs   (10301 visits to this link)

      The latest from the SFN Blogs.

  2. Education

    1. Homework Help

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

      21925
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    2. Science Education

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

      9590
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  3. Sciences

    1. Physics

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

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    2. 55198
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    3. 72879
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    4. Mathematics

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

      37335
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    5. 43369
      posts
    6. 20660
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    7. Earth Science

      Geology, geophysics, oceanography, and so on.

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    8. 30078
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    9. 5413
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    10. Other Sciences

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

      25147
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  4. Philosophy

    1. General Philosophy

      General philosophical discussions.

      24325
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    2. Religion

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

      34024
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    3. Ethics

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

      14838
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  5. SmarterThanThat Forums

    1. SmarterThanThat Videos

      Discussions of videos on SmarterThanThat.com.

      175
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  6. Other Topics

    1. The Lounge

      Discuss life, work, school, anything!

      98751
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    2. Politics

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

      107557
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    3. Suggestions, Comments and Support

      Ideas, questions and support for the forums.

      14456
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    4. Brain Teasers and Puzzles

      Exercise your brain with these user-submitted puzzlers!

      7434
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    5. Speculations

      Pseudoscientific or speculatory threads belong here.

      125606
      posts