An international team of cave explorers has shown that cave walls and the prehistoric rock art that adorns them can preserve human DNA for thousands of years.

Contamination and other errors in DNA analysis have occurred at the Washington State Patrol crime labs, most of it the result of sloppy work. The most common problems are cross-contamination by ...

Kimberly Dawn Neumann is a New York City-based magazine and book writer whose work has appeared in a wide variety of publications, including Women’s Health, Health, Cosmopolitan, Fitness, Prevention, ...