Scientists who reconstructed the genome of an ancient human from hair preserved in Greenland's permafrost for 4000 years have proved surprising links to existing peoples.
Forensic analyses of the remains in the gladiators' graveyard in Ephesus revealed that they were hard training vegetarians who enjoyed advanced medical care.
Recent work on DNA extracted from a 38,000-year-old Neanderthal fossil raises more questions about whether Neanderthal man interbred with Homo-Sapiens than answers.