Recent content by Hangarhead

  1. H

    How much can n-back testing raise one's IQ?

    I've heard as little as 4 points and as much as 40%. This is a gross disparity, so I'd like some confirmation. :)
  2. H

    What are the odds of impregnating my girlfriend if we stick exclusively to hand-jobs

    and oral sex? We're both virgins. She has never used birth control (though she does own it). Is it even remotely feasible that she could have accidentally transferred sperm cells to her vagina? One of us has always kept underwear on during "interactions" to prevent such a thing, and we both...
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