An Ice Age refuge: DNA of humans, wolves, mammoths retrieved from sediments in El Mirón cave
An international team of researchers published a study in the journal Nature Communications, revealing new insights into life ...
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Carlsbad Caverns: New Mexico's otherworldly caves with gypsum flowers and 'soda straws' dangling from the ceiling
The caverns sit within the Guadalupe Mountains on the border between New Mexico and Texas ... Rain and snowmelt that seeped into the caves during the last ice age also went to work on the ...