Five centuries after Leonardo da Vinci died, scientists are probing a startling possibility: that microscopic traces of his ...

DNA analysis of cultural artifacts shows diverse biological profiles, but contamination and mixed signals complicate ...

Researchers find trace DNA on a Renaissance drawing linked to Leonardo da Vinci, showing how fragile artworks can preserve biological clues.

In the summer of 1812, French emperor Napoleon Bonaparte led about half a million soldiers to invade the Russian Empire. But by December, only a fraction of the army remained alive. Historical records ...

ST. PAUL — The Hennepin County Sheriff’s Office has put DNA testing at its crime lab on hold as it works to determine the source of “sporadic DNA contamination.” The sheriff’s office said it appears ...

MINNEAPOLIS — The Hennepin County Sheriff's Office is investigating the origin and impact of a contamination that may have impacted dozens of DNA samples at their lab. The Hennepin County Sheriff’s ...

Single-molecule DNA detection using nanopore technology offers real-time analysis of DNA and RNA strands. It is a low-cost and flexible technique that can be used in clinical and research settings ...