Nature versus Nurture
cwilcox | September 30, 2008Rarely will you see a scientist get more riled up than when thrust into a debate of Nature versus Nurture. While the cliche term covers a lot of different aspects of science, the basic debate centers around exactly how much of who we are lies in our genes. A new study in the Journal of Biopsychiatry gives the edge to Dawkins & Co. They found that boys with behavioral problems actually have different levels of the stress hormone cortisol than normal ones - so they can blame their genes, not their parent's upbringing, for their out-of-control antics.
Cortisol, a stress hormone, is generally…
grrlscientist | September 20, 2008tags: political views, politics, physiology, threat response, psychology, philosophyfight or flight, nature versus nurture
Most Americans have been actively engaged in the frustrating sport of arguing about politics, which often leads to the common refrain; "You just don't get it!" So this made me wonder why people who seem to have similar life experiences can end up with such dramatically different personal philosophies -- philosophies that ultimately affect their political views and voting behavior. Apparently, I am not the only one to wonder about such things, because a paper was just…
grrlscientist | December 27, 2007tags: researchblogging.org, champion racehorses, thoroughbred, genetic correlation, heritability, Equus caballus, nature versus nurture
Seattle Slew (1974-2002), the only undefeated horse to win the Triple Crown (1977).
I have been thinking about a paper that was published last week, that analyzed the effects of "nature versus nurture" on the development of a champion racehorse. In short, this paper found that the effects of a horse's pedigree is minor when compared to its environment .. the combined effects of training, diet, choice of races entered, jockey skill and of course, injuries…