The Oldest Living Organisms

About this episode

This episode explores Earth's oldest living organisms and their significance in understanding resilience and environmental challenges.

This episode explores some of Earth’s most ancient life-forms, including bristlecone pines that have lived for nearly 5,000 years, Galápagos giant tortoises with century-long lifespans, and Greenland sharks that may live over 400 years. It also examines extraordinary organisms like the Pando aspen colony, which may be tens of thousands of years old, and extremophiles that have existed in harsh environments for billions of years. The episode highlights how slow growth, stability, and adaptation contribute to longevity, while also addressing threats such as climate change and environmental destruction. Ultimately, it reveals that these ancient organisms are not just survivors, but living records of Earth’s history, teaching us about resilience, time, and the delicate balance of life.

People in this episode

Host: Tommy Vongphouthone

Topics covered

• ancient life-forms
• longevity
• climate change
• environmental destruction
• resilience
• Earth's history

Keywords

• ancient organisms
• bristlecone pines
• Galápagos tortoises
• Greenland sharks
• extremophiles
• Pando
• longevity
• climate change

Mentioned in this episode

Books & works: Pando aspen colony

Places: Earth, Galápagos, Greenland

More episodes of The World and Its Superlatives

• The Largest Coral Reefs · June 6, 2026 · 9 min
• The Most Sacred Places · May 30, 2026 · 8 min
• The Biggest Natural Disasters in History · May 23, 2026 · 8 min
• The Most Isolated Communities · May 16, 2026 · 8 min
• The Most Unusual Animals · May 8, 2026 · 7 min
• The Most Extreme Railways · May 2, 2026 · 7 min