Deep within a cave in South Africa, more
than 1,200 individual bones of a new human ancestor, Homo
naledi, were discovered. To recover the bones, six archaeologists had
to rappel down underground shafts, combat carbon dioxide poisoning, and
squeeze through rocky passageways as narrow as 18 centimeters
(8 in).
How These Female Cavers Recovered New Human Ancestor Fossils (Exclusive Video)
Deep within a cave in South Africa, more
than 1,200 individual bones of a new human ancestor, Homo
naledi, were discovered. To recover the bones, six archaeologists had
to rappel down underground shafts, combat carbon dioxide poisoning, and
squeeze through rocky passageways as narrow as 18 centimeters
(8 in).
