In 1970, Soviet scientists embarked on an ambitious quest to dig into the Earth's crust, creating the world-renowned Kola Superdeep Borehole in the remote Murmansk Oblast, Russia. Stretching 12,262 ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Charlotte Gartenberg: Welcome to Tech News Briefing. It's Friday, March 7th. I'm ...