Developmental Biology: Pipe's Smoking Guns

Gun Play •

Biology and the particular gun culture of the United States come together to explain the persistent and powerful attraction of American boys to both real guns and toy guns. The 1990s saw adults begin to conflate “the gun problem” with “the boy problem,” sparking attempts (largely failed) to banish toy guns from homes and schools. Following the approach of play scholar Gregory Bateson, this arti...

Looking for Smoking Guns: The Impact of Taxes and Transfers on Canadian Income Inequality

Postscript relating to new allegations made by Edward Hooper at The Royal Society Discussion Meeting on 11 September 2000.

At The Royal Society Discussion Meeting, Origins of HIV and the AIDS epidemic, which this issue records, Edward Hooper added two new 'smoking guns' to the accusations published previously in The river. These were proposed as conclusive evidence for the hypothesis that simian immunodeficiency virus-contaminated CHAT polio vaccine caused the HIV-1 group M epidemic. We have investigated the facts ...

Dissociations of visual recognition in a developmental agnosic: evidence for separate developmental processes.

We report the results of tests investigating the recognition of faces, places, and objects in a developmental agnosic, because dissociations of visual recognition in developmental agnosics provide insight into the separable procedures performing recognition and the developmental origins of these procedures. TA is a software engineer in his early 40s with developmental prosopagnosia. He performs...

Developmental trajectories of marijuana use from adolescence to adulthood: relationship with using weapons including guns.

This is the first study to assess the associations between the trajectories of marijuana use and other predictors of violent behavior with the use of guns or other weapons as well as stealing without the use of weapons among inner-city African Americans and Puerto Ricans (N = 838). Logistic regression analyses examined whether the longitudinal trajectories of marijuana use compared with the tra...