“See my two legs?” Agnes Zhelesnik, America’s oldest working teacher [1], asks. “They still move.” The home economics teacher, better known as “Granny,” celebrated her 100th birthday on Sunday [2], CBS News reported. But her age hasn’t slowed her down. Granny’s been a beloved face at the Sundance School in North Plainfield, N.J., since she began teaching there part time in 1995, according to CNN. She was the ripe age of 81 at the time… [3]