To obtain high-quality, purified nucleic acids, scientists can use several different methods, including phenol-chloroform extraction, cesium chloride/ethidium bromide (CsCl/EtBr) gradient ...

In 2022, researchers shared that they had uncovered an ancient ecosystem from sediments in the Kap København Formation in Greenland (Nature 2022, DOI: 10.1038/s41586-022-05453-y). By sequencing DNA ...