The last two decades have seen a revolution in scientists' ability to reconstruct the past. This has been made possible through technological advances in the way DNA is extracted from ancient bones ...

Analysis of ancient proteins may fill in the gaps of human evolution left by the decomposition of DNA. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

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