Authorities collected and sorted through thousands of DNA samples. Multilayer samples down to in thickness were obtained. Six male Scythian samples from kurgans at and Glinoe were successfully analyzed. Metagenomics is the study of genetic material recovered directly from environmental samples. Propofol was found in all eight specimen samples. Variations in the concentration of constituents of the crude oil samples and sediments were found. Together they worked to develop methods of culturing tissue samples. The weights formula 22 represent the sizes of the different samples. It is performed using only human voice samples. Shotgun sequencing reveals genes present in environmental samples. This page discusses various techniques currently used to quantify viruses in liquid samples. Water pollution is measured by analysing water samples. It is used to concentrate and reduce the volume of liquid samples. The album featured bombastic beats, rap samples, and experimental sounds. Geologists also obtain data through stratigraphy, boreholes, core samples, and ice cores.