Some theories of human cultural evolution posit that humans have social-specific learning mechanisms that are adaptive specialisations moulded by natural selection to cope with the pressures of group living.However, the existence of neurochemical pathways that are specialised for learning from social information and individual experience is widely
BackgroundThe role of school contacts in the spread of the virus and the effectiveness of school closures in controlling the epidemic is still debated.We aimed to quantify the risk of transmission of SARS-CoV-2 in the school setting by type of school, characteristics of the index case and calendar period in the Province of Reggio Emilia (RE), Italy
With the extension of service period of Shanshan-Lanzhou Oil Pipeline, Ruhrp pumps needed overhauling, for which the guidance of specific technical requirements would be required.According to the structural characteristics of Ruhr pumps, the key points and basis of overhaul of each structure were analyzed.Based on the structural characteristics of
The hepatitis E virus (HEV) can cause hepatitis E in humans.Recently, the occurrence of HEV strains carrying insertions in their hypervariable genome region has been described in chronically infected patients.The insertions originate from human genes or from the HEV genome itself.Although their distinct functions are largely unknown, an involvement