Are ClipOns and Fits Overs getting Bigger? / Over-the-glass sunglasses growing in size

Good question! Yes. One reason is our heads are getting bigger! Recent forensic research suggests that the heads of Americans are growing. National Geographic recently reported the discovery that skulls of white Americans have significantly increased in size since 1825. Biological Anthropologist Richard Jantz, from the University of Tennessee, measured hundreds of skulls of Caucasian Americans born between 1825 and 1985. His findings suggest that the typical American head has grown by about a third of an inch (8 mm) over the last 160 years. This translates to about a tennis ball’s worth of new brain space. Why are our heads getting bigger? “The varieties of changes that have swept American life make determining an exact cause an endlessly complicated proposition,” said Lee Jantz. “It likely results from modified growth patterns because of better nutrition, lower infant and maternal mortality, … Read More