Learning capabilities enhanced in harsh environments: a common garden approach ? Proceedings B Whenever I point out that the different races have different average cognitive skills I get called racist (true, depending on the definition of racist) and ignorant. I could care less about being called racist because the term is so overused and meaningless nowadays but I hate being called ignorant because it is obviously untrue. It is the people who deny the measureable differences and ignore the vast interlocking mountain of evidence who are ignorant, usually on purpose. I can understand those who score in the triple digits (old scale) on the SATs not being able to follow logic because that is what the tests measure to a large extent. But why do smart people suddenly get brain cramps when the topic is human differences? I can even understand those who just want to avoid politically incorrect subjects but why do so many smart people mouth platitudes and excuses even after they have been shown to be false? The above study abstract demonstrates that the mechanism of harsh environment selecting for greater cognitive skills is seen in other species besides humans. A past thread ran 20 pages with no answers, only insults, when I asked for evidence that blacks were as intelligent as whites (on average). No one was able to give a theory or describe the mechanisms which would lead to the observed reality around us. My side does have a theory that is backed up over and over again. My side describes the mechanisms of how differences are physically demonstrated and inevitable. My side describes reality and the other side wishes that reality would change. There is no real magic folks, no amount of believing in Tinkerbell is going to change things.