

What’s hiding under the Antarctic ice?
59 snips Jan 22, 2025
John Priscu, a microbiologist at Montana State University and expert in extreme life forms, shares thrilling insights about the hidden ecosystems beneath Antarctic ice. He discusses the unique subglacial lakes, like Lake Willans, revealing diverse microbial life that thrives without sunlight. The conversation also links these discoveries to the hunt for extraterrestrial life on moons like Europa, emphasizing the innovative technologies being developed for exploration. Climate change's impact on these fragile ecosystems adds a pressing urgency to the research.
AI Snips
Chapters
Transcript
Episode notes
Initial Observation
- John Priscu, on his first trip to Antarctica, was captivated by the vast white expanse.
- He questioned the assumption that the continent's interior was lifeless.
Subglacial Lakes
- Subglacial lakes exist in Antarctica, including Lake Vostok, which is the size of Lake Ontario.
- These lakes remain liquid due to geothermal heat, ice insulation, and pressure-induced freezing point depression.
Lake Whillans Discovery
- Priscu's team used a clean drill to access subglacial Lake Whillans.
- They discovered diverse microbial life, marking a pivotal moment in polar science.