DNA data offer evidence of unknown extinct human relative

Melanesians carry genetic clues to hominid not revealed by fossils

GENETIC HEIRLOOMS People from Papua New Guinea (shown) and Australia carry small amounts of DNA from extinct human relatives. New research suggests that the DNA may not come from Neandertals or Denisovans, but from a third, previously unknown extinct hominid.

Guido Amrein Switzerland/Shutterstock

VANCOUVER — Traces of long-lost human cousins may be hiding in modern people’s DNA, a new computer analysis suggests.