7. The Immortal Jellyfish
The Turritopsis dohrnii, often called the immortal jellyfish, can revert its cells to an earlier stage of life, effectively starting over again. This process, called transdifferentiation, may allow the jellyfish to escape death from aging. Scientists are investigating this ability to understand cellular regeneration and potential medical breakthroughs.<!–nextpage–>
8. Ball Lightning
Ball lightning is a rare and mysterious weather phenomenon where glowing spheres of electricity float through the air, sometimes even indoors. Witnesses report sizes ranging from a golf ball to a basketball. Despite being reported for centuries, ball lightning remains poorly understood and difficult to reproduce in laboratory settings.