Page 27 - Archaeology - October 2017
P. 27

EGYPT: A reexamination of a                           ISRAEL:
        3,000-year-old prosthetic toe from                    Apparently even
        Egypt is revealing that it is even                    800 years ago,
        more sophisticated than originally                    Crusader forces
        thought. The wooden prosthesis was                    were aware of the
        discovered on a female mummy in                       concept of always
        1997 in a tomb near ancient Thebes.   leaving yourself a way out of a sticky situ-
        The artificial toe’s materials and   ation. Conservation and restoration work
        design provided a surprising level   in the old city of Tiberias exposed a secret   PAPUA NEW GUINEA: An orga-
        of balance and movement, but the   escape tunnel that once connected the   nization dedicated to finding
        object’s creator also strove to make it   12th-century Crusader citadel directly with   missing WWII soldiers and aircraft
        as aesthetically pleasing and lifelike   the harbor on the Sea of Galilee. The surviv-  located two B-25 American
        as possible. Tests have shown that the   ing 21-foot section may have been used   bombers that had been lost in the
        device was readjusted over time to   during times of turmoil, especially when   Pacific for more than 70 years.
        suit its owner.                   the fortress was besieged by the Muslim   While the existence of one of the
                                          general Saladin in 1187.                planes had been previously known
                                                                                  but never scientifically document-
                                                                                  ed, the other was discovered with
                                                                                  the help of historical archives,
                                                                                  conversations with locals, and
                                                                                  extensive surveying of four square
                                                                                  miles of seafloor using sonar
                                                                                  scanners, high-definition imagers,
                                                                                  and underwater robots.



















                         ROME: Modern
                         scientists have long
                         been baffled by the
                         remarkable durability
                         and water-resistant
        nature of Roman concrete, even after it has
        been submerged for 2,000 years. Although
        the exact recipe is lost, the base ingredients
        of Roman concrete are volcanic ash, lime, and        AUSTRALIA: A student on a university excursion to Rottnest
        volcanic rock. A new study suggests that when        Island off the coast of Perth found a rare green glass spearhead
        seawater encounters the volcanic material, it        shaped by one of the island’s former Aboriginal prisoners.
        causes a chemical reaction that produces a rare      Between 1838 and 1931, thousands of Aboriginal men and boys
        crystalline mineral that subsequently reinforces     were incarcerated on the island, where many of them died from
        the structure. Therefore, while modern concrete      disease and malnutrition. Spearheads, fabricated from glass
        deteriorates quickly in water, Roman concrete        or ceramics, were used by the prison population for trade and
        actually strengthens over time.                      perhaps to hunt quokkas, small wallaby-like marsupials.



      archaeology.org                                                                                      25
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