Explorers spent twelve hours in the buried city and resurfaced only after the oil in their lamps burned low. “No end to the wonders of the discovery was reached,” the article stated. “A further extended search will be made in a day or two.” No record of the extended search could be found.
Etchings on this 77,000 year-old ochre stone, found in a seaside cave east of Cape Town, South Africa, suggest ancient humans were capable of complex behavior and abstract thought thousands of years earlier than once believed. The study appears in the Friday, Jan. 11, 2002, edition of Sciencexpress, the online version of the journal Science. (AP Photo/Science)