"More unexpected, the calluses were sensitive, in specialized ways. Dr. Lieberman and his colleagues had thought that the hardened skin might block nerves deep within the skin from sensing the ground, which could affect balance and movement. But when they measured those nerves’ reactions in people with and without calluses, they found few differences, suggesting that while calluses lessen people’s sensation of walking over pebbles, they do not prevent us from feeling the earth." Read the full article and report here: Born to Walk Barefoot The New York Times The study, which echoes some of the research that first popularized barefoot running, finds that walkers move differently when they are barefoot or ...