La Trobe University molecular archaeologists Cristina Valdiosera and Colin Smith, in collaboration with colleagues from Uppsala University in Sweden and several universities across Spain, analysed the remains of 13 people aged 7,250 to 3,500 years old, from the north and south of Spain.
The obsidian prismatic blade is one of the sharpest cutting implements ever produced in the prehistoric world.
Published recently in the Annals of Internal Medicine, scholars at the University of Sydney and Macquarie University used mathematical techniques to test the null hypothesis that the rate of mass shootings in Australia before and after the 1996 law reforms is unchanged.
The National Firearms Agreement, enacted after the Port Arthur massacre in Tasmania in which 35 died and another 23 were seriously injured, saw the destruction of more than a million firearms—perhaps a third of the country’s private gun stock.
Continue reading “Have Australia’s gun law reforms effectively stopped firearm massacres?”
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