Often herald as the well - preserved woolly mammoth corpse ever discovered , the trunk of a vernal distaff specimen appoint Yuka has just yielded a staggering surprisal . By analyzing switch off marks on the animal ’s hide , researchers have now determined that the savage was butchered by human 39,000 years ago , thus providing the early grounds for the presence of hoi polloi in the Arctic .

Discovered in 2010 in the extreme N of Siberia , Yuka is imagine to have been between six and nine years honest-to-goodness when she die , possibly as a result of predation by cave Panthera leo . Scientists intend her clay froze after falling into a lake , enabling it to persist in pristine condition for almost 40 millennia .

Since its recovery , Yuka ’s incredibly entire consistence has been identified as a target by researchers seeking to clone andresurrect the woolly mammoth . surprisingly , early studies on the ancient corpse revealed that itstill control liquid blood , while some of the creature ’s cell nucleus go along to showsigns of biological activity .

Puzzlingly , testing have also break the presence of a m - tenacious ( 3.3 foundation ) incision along Yuka ’s back , as well as skip marks around her heart socket . These finding raise a bit of interesting question , such as whether the puss were produced by animals or humans .

To investigate , the authors of a new study conducted a routine of experiments on piece of cowhide , as well as the skin of another mammoth , while also perform traceological analyses of the surgical incision on Yuka ’s skin . directly , the researchers noted that these cuts “ have certain traceological machine characteristic that clearly distinguish them from injury committed by animals , ” thus point that they were indeed the piece of work of humans .

The next interrogative , therefore , is whether the prick were made at the meter of Yuka ’s death or at a belated date . To allow an answer , the study authors made a series of experimental cuts using both prehistoric stone blades and metal knives , before comparing these to the cut marks on the ancientmammoth ’s hide .

Reporting their finding , the researchers state that Yuka ’s markings “ correspond to those obtained in the course of action of experiment on cutting the gigantic hide with a wide Flint River steel . ” For instance , they found that the beast ’s lacerations “ do not have very sharp-worded transitions and angle characteristic of the traces from a metal knife . ”

The authors therefore reason that the cuts on Yuka ’s cutis were made by prehistorical human being using stone tool . They go on to drop a line that , free-base on the state of the skin ’s preservation , “ it can be said affirmatively that all the scratch could have [ been ] made only at a prison term chronologically close to the destruction of the animal . ”

Taken together , these findings evoke that humans cut up Yuka ’s body for pith before she became frigid 39,000 year ago . As such , the cut bell ringer on the wight ’s hide represent “ the oldest piece of grounds of human penetration into the Arctic geographical zone . ”

The study is print in theJournal of Archaeological Science : Reports .