Interesting. My mama has a high school diploma. My dad dropped out of school in the 8th grade. Neither of them would be able to understand anything discussed in this episode. According to Stanford-Binet, my IQ is 147, I have three degrees and multiple certifications and work as a software engineer. It has been joked that my parents brought home the wrong baby, but I look just like my dad. Curious what Dr. Haier would think.,(reply>), It could be related to nutrition, such as iodine intake by your mother during her pregnancy. I'm in the same situation as you, with my parents being only a bit above average, but my spatial iq is 135-140+. Iodine deficiency can lower a child's IQ by a standard deviation or more, and my mother has told me (probably 50 times by now) that all she ate while she was pregnant with me was fish. Aside from some kind of luck in the genetic lottery, I attribute a substantial portion of my intelligence to my mother's iodine intake during pregnancy.,(reply>), is that an adult score?