3. The Longevity of the Bristlecone Pine
Bristlecone pines, especially the famed Methuselah tree, astonish scientists by living for over 4,800 years. These ancient trees thrive in harsh, high-altitude environments that would kill most plants. Their remarkable durability and slow aging process challenge what we thought we knew about plant biology and longevity. Researchers continue to study them, hoping to unlock the secrets of their near-immortal lifespan. See details