All Tutsi were in turn equatedwith the military enemy, the Rwandan Patriotic Front, which had firstinvaded from Uganda in 1990.

alaria causes nearly ten timesmore deaths around the globe than all of the vehicles and guns in the UnitedStates

will be a while before we evolve the psychological tendency to fearguns and automobiles in proportion to their likelihood of killing us

ndeed, moderatelyanxious animals perform better on simple tasks—such as dodging slitheringsnakes and surreptitious spiders—than do those that are not anxious. 4

When it comes to objects that are potentially dangerous, evolution favorsanxious genes. 3 That is, our ancestors were better off to err on the side of cau-tion.