the.com/speleology
the science of going underground because the surface got boring.
means The scientific study and exploration of caves, including their structure, formation, and the life within them.
from From the Greek 'spelaion' meaning cave (a cousin of the Latin 'spelunca,' which also gives us 'spelunker'), joined to the familiar '-logy,' from Greek 'logia,' the study of something. The word itself is fairly modern, coined in the late 19th century as cave exploration matured from a pastime into a discipline.
- name origin
- From Greek spelaion, meaning cave.
- living fossils
- Caves preserve creatures unchanged for millions of years.
- eyeless life
- Many cave animals evolved away their useless eyes.
- deepest reach
- Krubera Cave plunges over 2,000 meters down.
- new frontier
- Earth's caves remain largely unmapped and unexplored.
for instance
son doong cave — vietnam's largest cave, 5.5 km long, discovered 1991
mammoth cave — kentucky, usa: world's longest cave system at 676 km mapped
lechuguilla cave — new mexico, usa: 222 km deep, most pristine cave ecosystem