Quoting from the article:<p>Thurner and co found that positive behaviour intensifies after an individual receives a positive action.<p>"The probability of acting out negative actions is about 10 times higher if a person received a negative action at the previous timestep than if she received a positive action," they say.<p>"We interpret these findings as empirical evidence for self organization towards reciprocal, good conduct within a human society," they say.<p>In other words, <i>humanity is fundamentally good</i>.