Scientists on a research expedition at the Thwaites Glacier in Antarctica attempted to install equipment beneath the ice to better understand how it is melting. Our climate reporter Raymond Zhong walks us through their landmark experiment and the bittersweet outcome. Video by Raymond Zhong, Chang W. Lee, Christina Thornell, Jon Miller, Stephanie Swart and Shafik Quoraishee #nytantarctica #glacier #research #sciencetok