DNA in Viking feces sheds new light on 55,000-year-old relationship between gut companions — ScienceDaily
Using stool samples from Viking latrines, researchers at the University of Copenhagen have genetically mapped one of the oldest human parasites — the whipworm. The mapping reflects the parasite’s global spread and its interaction with human beings, a delicate relationship that can make us healthier and ill. Using fossilized eggs in up to 2500-year-old feces…
