To obtain high-quality, purified nucleic acids, scientists can use several different methods, including phenol-chloroform extraction, cesium chloride/ethidium bromide (CsCl/EtBr) gradient ...
Swedish Researchers Extract Ancient Scandinavians' DNA From a 10,000-Year-Old 'Chewing Gum' Advanced technology has finally allowed experts to analyze DNA from a chewed-up birch bark in Sweden, ...