Original Story in Science News: <a href="https:&#x2F;&#x2F;www.sciencenews.org&#x2F;blog&#x2F;culture-beaker&#x2F;few-key-signs-betray-betrayal" rel="nofollow">https:&#x2F;&#x2F;www.sciencenews.org&#x2F;blog&#x2F;culture-beaker&#x2F;few-key-sign...</a><p>Paper: <a href="http:&#x2F;&#x2F;vene.ro&#x2F;betrayal&#x2F;niculae15betrayal.pdf" rel="nofollow">http:&#x2F;&#x2F;vene.ro&#x2F;betrayal&#x2F;niculae15betrayal.pdf</a>