Topic: caves

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The 3-million-year old Ningwu ice cave never thaws

White stalactites hang down from every surface, and the walls and floors are glazed with thick ice. The Ningwu ice cave, also referred to as Wannian Ice Cave in Ningwu County, China, is a unique phenomenon: The subter...

The Great Stalacpipe Organ deep in Luray Caverns

Not far from Virginia's Shenandoah National Park, deep in the damp Luray Caverns, is a giant lithophone -- a pipeless organ that strikes 37 stalactites with solenoid-actuated rubber mallets in order to produce 37 beau...

Filming bats with slow motion & thermal cameras

Studying bats can be smelly and messy, but bat biologist Nickolay Hristov explains why he finds his job to be such an exhilarating endeavor. As he attends to high speed cameras at a cave mouth in South Central Texas, ...

Deep in the caves with Homo Naledi & the Rising Star Expedition

More than 1,500 individual bones and teeth of at least 15 skeletons of Homo naledi were excavated by an all-woman "underground astronaut" team during the 2013/14 Rising Star Expedition. Homo naledi is a new species in...

New Zealand’s Waitomo Glowworm Caves in 4K

This 4K Stoked for Saturday time lapse video inside New Zealand's Waitomo Glowworm Caves beautifully showcases the Arachnocampa luminosa glow worms that hang from the cave's limestone ceiling. The glowworms are ac...

Underwater Caves of the Yucatán Peninsula – Wonders of Life

In the jungles of Yucatán Peninsula, crystal clear cenotes -- from the Mayan word ts’onot meaning "sacred well" -- fuel their surrounding ecosystems with fresh water. Numbering in the thousands, these flooded sinkhole...

Cal Academy: Trogloraptors & How Science Works

In 2010, some amateur cave explorers discovered a relatively large six-eyed, hook-legged, orangey-brown spider in a Southern Oregon cave. In 2012, the spider was named Trogloraptor marchingtoni or Trogloraptor (which ...

The Bat Emergence at Bracken Cave in the Texas Hill Country

Watch an estimated 20 million Mexican Free-tailed Bats (tadarida brasiliensis) swirl up, up, and out of Bracken Bat Cave in this comprehensive report by Texas Country Reporter Bob Phillips. We also get a peek inside t...

An underwater adventure swimming in Fiji & Tonga

Underwater footage shot whilst scuba diving in the Fiji islands and Tonga. Featuring colorful coral reefs, huge schools of tropical fish, sharks, humpback whales, underwater caves, scuba divers and much more marine ...

Waitomo Glowworm Caves – Life in the Undergrowth

What a beautiful trap! These glow worms make a sparkling net on the cave ceiling, perfect for catching flying insects, in this Sir David Attenborough-narrated clip from the BBC's Planet Earth: Caves and/or Life in the...