The qualitative and quantitative composition of methanogenic and sulfate-reducing microorganisms and their relationship in the experimental bioreactors has never been studied. The aim of this research was to ch
Current science, through sophisticated molecular biology techniques, has allowed us to deduce the existence of certain infectious agents in prehistoric times, such as the hepatitis B virus (HBV), which has been found in the dental pulp of Neolithic skeletons that are up to 7000 years old [13]...