Dominic Winski helped secure the deepest and oldest ice core at the South Pole in order to understand past variations in the Earth’s climate. The oldest ice in the 5,745-foot-long (more than a mile deep) core is 54,302 years old, plus or minus 519 years, says the research assistant professor at the University of Maine read more Winski: 54,000-year-old South Pole ice core will reveal past wind patterns, climate