“Modern humans were essentially like waves crashing on a beach, slowly but steadily eroding the beach away.” With this vivid simile, Princeton geneticist Joshua Akey describes a process that, until ...

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 ...

Human evolution’s biggest mystery, which emerged 15 years ago from a 60,000-year-old pinkie finger bone, finally started to unravel in 2025. Analysis of DNA extracted from the fossil electrified the ...

Formalin-fixed paraffin embedding (FFPE) is employed in hospitals around the world to preserve and store clinical samples. However, extracting and purifying DNA from FFPE samples presents challenges, ...

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