PBS
Pbs Learning Media: Cave Formation: Kane Cave
This video segment adapted from NOVA describes a simple experiment that confirmed the idea that microbes can accelerate the biogeochemical process of cave formation. [4:12]
PBS
Pbs Learning Media: Caves: Extreme Conditions for Life
This video segment adapted from NOVA raises the provocative idea that if life can exist in the most extreme environments on Earth, such as in dark, toxic caves, then perhaps living things can also survive in harsh environments on other...