An international research team has successfully drilled and retrieved a 9,186-foot-long (2,800-meter-long) ice core from Antarctica that dates back 1.2 million years.
An international research team has successfully drilled and retrieved a 9,186-foot-long (2,800-meter-long) ice core from Antarctica that dates back 1.2 million years.
www.cnn.com Massive ice core is a ‘time machine’ that could help solve an ancient climate mystery, scientists say | CNN
Air bubbles within a deep ice core drilled in Antarctica could reveal why Earth suddenly began to experience longer ice ages nearly 1 million years ago.
