Most people are right-handed, but scientists aren’t sure why. Some people prefer their non-dominant foot in sports, and have ocular dominance. Some animals also have laterality. Most people are right-handed, between 70 and 90 percent, depending on which study results you accept. The other 10 to 30 percent are mostly left-handed or ambidextrous. Scientists aren’t […]
Fossilized human teeth indicate that over 90% of prehistoric humans were right-handed, a trait that has remained consistent over the past 500,000 years. Handedness is also seen in other species, and right-handed people tend to live longer than left-handed people. Humans have almost always been predominantly right-handed, at least for the past 500,000 years, it […]