Those exhibiting dark triad behaviour need to prey on the cooperative and unsuspecting.
Hearing the news, Rachel, who is on a visit to her grandparents with her on-off best friend Alison, realises how dark adult behaviour can be.
Note that in Figure 2d, the dark and illuminated behaviour is almost the same.
Besides turning off the radio, lights and covering the windows with thick and dark curtains, the behaviour of the staff and visitors were changed by the researchers to avoid generating unnecessary noise.
In every observation session, the group was observed continuously for 60 min and the frequency of submissive behaviours (escape from an aggressive opponent or submission postures without dark colouration), dominant behaviours (aggressive displays or nest-digging) and courtship displays were recorded for each male.
Ireland's history of colonisation, famine and flight, a collapsed revolution, a dominant church and the vitalising deformation of English by the Irish language have created conditions that occasioned writers to follow the twisting inward paths, and for the courageous, to look at the darkest of human behaviour and bring it to some form of light.
Carole replies: The "dark triad" of human behaviour consists of narcissism (or self-obsession), psychopathy (including callous, impulsive, thrill-seeking, risk-taking behaviour) and Machiavellianism (exploitative, manipulative and deceitful behaviour).
Fine does not flinch from plunging into the dark depths of human behaviour, collective and individual.
An earlier study published last month examined the behaviour of dark matter during 72 "high speed" collisions of clusters containing thousands of galaxies.
