Mysterious Crater Appears | February 18, 2021
The U.S. state of Texas is still seeing widespread power outages, as a one-two punch of winter storms rakes across the central and eastern U.S. Mysterious craters appear in Siberia, and scientists discuss how they formed in the barren landscape. And we dive into the deep blue sea to explain how an ocean advocacy group obtains its 3-D, virtual reality footage.