By Fritz Lenneman Eleven percent of the population is born left-handed, and if they seem different, it’s because they are! Learn six tips for raising a left-handed child. Step 1: Is she a lefty? Congratulate—or blame—yourself. The question of whether left-handedness could be inherited was answered in 2007 when scientist Clyde Francks announced the isolation […]
handedness
Biology determines handedness in chimps, study finds
What makes a chimpanzee left-handed–nature or environmental influences? Mostly nature, according to a recent study of chimp mothers and infants. That result refutes past animal research, which suggested that behavioral reinforcement and other external factors largely determine animals’ hand–or paw–preferences. In contrast, this study from Emory University’s Yerkes Regional Primate Research Center found that a […]