More than 100 years ago, explorers raced to discover the South Pole. Now scientists are racing to discover the secret subterranean world of rivers and lakes buried miles beneath it. In 1974, scientists made a sensational discovery: a vast lake underneath the icy desert of Antarctica, untouched for 400.000 years, Lake Vostok. In spring 2012, after 40 years of drilling, Russian scientist broke through the ice. In two different narrative... see more