Stability of phytoliths in the archaeological record: a dissolution study of modern and fossil phytoliths

Opaline phytoliths are important microfossils used in archaeological and ecological research. Relatively little is known about the stability of phytoliths after burial. Under alkaline pH conditions they can dissolve, and mechanical disturbances can cause a loss of their more delicate appendages. Here we present an experimental study of phytolith stability (combination of solubility and abrasion). Modern and fossil phytoliths were extracted from wheat using new methods to minimize dissolution, and by burning in an oven. These assemblages were placed in a solution buffered to pH 10 and maintained under constant temperature and shaking conditions. The silicon concentrations in the solution were monitored once a week for 5 weeks. The phytolith morphologies in each assemblage were determined at the outset of the experiment and after 5 weeks. The results show that there are differences in stability between various assemblages. Modern inflorescence wheat phytolith assemblages are more unstable than those from leaves/stems. Burnt assemblages are less stable than unburnt assemblages, and a fossil phytolith assemblage about 3000 years old is more stable than the modern wheat assemblages. The results also show that individual phytolith morphotypes have different stabilities, and as a result of dissolution and abrasion, some morphotypes may resemble others. This study further shows that archaeological and/or paleo-environmental interpretation of phytolith assemblages may change with the assemblage’s state of preservation.     

Titus's Tinnitus

Historical approaches to tinnitus have depended highly on cultural factors. While ancient Oriental mysticism regarded it as sensitivity to the divine, Roman medicine associated it with depressive and seizure disorders on the basis of presumed common pathophysiology shared by the three conditions. In the Babylonian Talmud, tinnitus appears as Titus's curse: a gnat buzzing in the brain, responding to sound therapy, and then habituating. Various sources show varied emphases with common attention for contextual and emotional aspects that have become an important focus in modern management of tinnitus.     

Evgeniia/Evgenii: Queer Case Histories in the First Years of Soviet Power

Citing examples of ‘queer’ (gender- and sexually-transgressive) behaviour taken from psychiatric, criminological and forensic literature, the essay explores the formation of Soviet Russian masculinities and femininities during the two decades following 1917. After surveying the legal tradition regarding same-sex eroticism, it discusses expert views of the ‘mannish lesbian’ and the effeminate male homosexual. Compulsory heterosexuality was a central, unproblematized tool used in the construction of a revolutionary socialist respectability during the 1920s. During the Stalinist Five Year Plans of the 1930s, the male ‘homosexual’ was explicitly outlawed while family obligations became more difficult for women to avoid.     

The Maronite Leadership’s Approach toward Syria, 1970–2011: Between Integration,Separation, and Pragmatism

The Maronite–Syria relationship is troublesome, and one can say that the two sides are diametrical opposites. The Maronites, in general, represent the aspiration for an independent Lebanon, while Syria considers Lebanon a part of “Greater Syria” and aspires to annex the Lebanese territories. The Maronite community has consistently resisted these aspirations. However, the Maronite community is not a coherent one, which is reflected in its approach toward Syria. In fact, the Maronite leadership has adopted three different approaches toward Syria: an integrative one that aspires to full cooperation with Syria; a separatist one that strongly considers Lebanon and Syria to be separate states; and a pragmatist one that adheres to intimate or unfriendly ties according to local Lebanese interests. This article introduces the three Maronite approaches and claims that one cannot disassociate these approaches, especially the pragmatist one, from the Syrian policy toward Lebanon, which includes changing alliances according to Syria’s political interests. Moreover, the article suggests that these approaches will remain in place regardless of which Maronite leader supports each one and regardless of who will rule in Syria.