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Racism after race

IN a famous series of experiments conducted in the 1970s, social psychologist Henri Tajfel asked how little it would take to persuade one group of people to discriminate against another. The answer was almost nothing. Having assigned boys to two groups based largely on random criteria, he asked them to play a game. Each boy had to decide how many pennies to give to members of his own group and to members of the other group. Tajfel found that the boys were more generous toward their own group, even though the groups had been defined almost arbitrarily. Thus was born the concept of the “minimal group…”

This article first appeared in ScienceNews on 14 May 2017. To continue reading, click here.

Identity crisis

 

WHAT is the essence of you? What is it about you that makes you, well, you? These are no mere academic questions for armchair philosophers, but practical ones with real consequences.

Take a police artist sketching a suspect from an eyewitness description, or a profiler writing up the behavioural idiosyncrasies of a particular “perp”. These representations become tools in criminal investigations that often lead to arrests. If they fail to capture the essence of the person being sought, the wrong person may be arrested…

This article first appeared in New Scientist on 8 April 2017. To continue reading, click here (paywall).

Monuments to catastrophe

THE history of humanity is punctuated with purges. Large numbers of people have died in short periods of time as a result of wars, disease and natural disasters. Once these have passed, it falls to the survivors to count the dead. This is never easy, but it is harder for some kinds of disaster than for others. It may be hardest of all for a pandemic, as Ole Benedictow acknowledged in his 2005 article, ‘The Black Death: The Greatest Catastrophe Ever’…

This article first appeared in History Today on 23 March 2017. To continue reading, click here.