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

When you think about scientific research, you probably envision a sterile room that houses gleaming beakers, rows of pipettes and centrifuges. But what if you could house a lab on a chip? Call it the ...

In a first, scientists have extracted DNA from a Renaissance-era drawing attributed to Leonardo da Vinci, but they can't be sure that the genetic material belongs to the Italian polymath. When you ...