Intelligence is accurately measurable across racial, language, and national boundaries. Intelligence negligible and educational programs have failed is not changeable environmental factors are. Stop idiocracy us genetic iq is declining due to intelligent people having fewer children than less intelligent people. Stop immigration from latin america larger scale immigration to the us of those with low iq. Eliminate welfare policies us government encourages the wrong women to get babies. Stop affirmative action back genes are just not as good for iq. A chemist who changed the way we think about language. Indo-european languages promoting essentialism: strong version language determines thought. Without access to the right words, people cannot have certain kinds of thoughts. Largely rejected: weak version language influences thought. Having access to certain words influences the kinds of thoughts one has. Much controversy surrounding this claim in the past but there is. Although colour exists along a continuum, colour terms are discrete.