Science columnist Lee Hotz describes a remarkable project at WAIS Divide, Antarctica, where a hardy team are drilling into ten-thousand-year-old ice to extract vital data on our changing climate. Click here to watch

Robert Lee Hotz is the science columnist for the Wall Street Journal, where he writes about cutting-edge research on climate change, cosmology, molecular medicine, the human brain and much more … He has traveled three times to the South Pole.