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Age of the oldest known Homo sapiens from eastern Africa
(2022)Efforts to date the oldest modern human fossils in eastern Africa, from Omo-Kibish and Herto in Ethiopia, have drawn on a variety of chronometric evidence, including 40Ar/39Ar ages of stratigraphically associated tuffs. ... -
Deep, ultra-hot-melting residues as cradles of mantle diamond
(2023)The ancient stable continents are up to 250 km deep, with roots extending into the diamond stability field. These cratons owe their mechanical strength to being cool and rigid, features inherited from extensive melt ... -
Evaluation of a 3-Item Health Index in Predicting Mortality Risk: A 12-Year Follow-Up Study
(2023)This study was carried out using a large cohort (N = 4265; 416 deceased) of older, community-dwelling adults from The Irish Longitudinal Study on Ageing (TILDA). The study compared the performance of a new 3-item health ... -
The Quest for Solidarity in a Failed Prescriptive and Aspirational Cosmopolitanism: African Travel Narratives and Duality of Cross-Cultural Encounters
(2023)The theme of travel has occupied a central position in African literature, as it serves as a conduit for exploring the complexities of cross-cultural interactions and the pursuit of solidarity. Travel narratives have ... -
Intranasal COVID-19 vaccine induces respiratory memory T cells and protects K18-hACE mice against SARS-CoV-2 infection
(2023)Current COVID-19 vaccines prevent severe disease, but do not induce mucosal immunity or prevent infection with SARS-CoV-2, especially with recent variants. Furthermore, serum antibody responses wane soon after immunization. ...
