Archaeologists intrigued by discovery of Bronze Age razor blade in Novosibirsk region.
Experiment shows multi-purpose tool can still be used for butchering: it highlights the skills of these extinct early humans.
Tattooed 2,500-year-old princess found mummified and preserved in permafrost could finally be reburied in special monument.
Unique remains give vital clues to man's origins and early travels, say experts.
Remains of the child suggest an 'unknown European invasion of Siberia deep in ancient times'.
A new book suggests that early Europeans known as Solutreans made the crossing to America over a frozen and glacial ocean.