منابع مشابه
Guns, Privacy, and Crime
We investigate the impact of an information shock – the public exposure of the names and addresses of holders of handgun carry permits – on criminals’ propensity to commit crimes. In December 2008, a Memphis, TN newspaper published a searchable online database of names, zip codes, and ages of Tennessee handgun carry permit holders. Once news of the database publication spread, an intense and ac...
متن کاملPlasma pharmacokinetics and muscle disposition of marbofloxacin in chickens
Background: Reports on the pharmacokinetics of marbofloxacin in birds are scarce, even when it is a useful tool in poultry production. OBJECTIVES: Determining marbofloxacin kinetic parameters in plasma and muscle arrangement after intravenous and oral administrations and establishing its withdrawal period. METHODS: Clinical healthy chickens (1.08±0.22 kg) were used as experimental subjects, fo...
متن کاملPOLICING CRIME GUNS Research in Brief
Homicides in the United States, which disproportionately involve firearms, remain more common than in most other developed nations, despite the substantial decline in lethal violence observed in America during the 1990’s. Can police patrols that are dedicated to reducing illegal gun carrying help reduce gun violence? Based on an article published by the Brookings Institution (Cohen & Ludwig 200...
متن کاملDevelopmental Biology: Pipe's Smoking Guns
The formation of the dorso-ventral body pattern of Drosophila involves the restricted activation of a serine protease cascade in the extracellular space between the egg shell and the embryo. Now, the first molecular links have been identified between ventral gene expression during oogenesis and the activation of the protease cascade in the early embryo.
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ژورنال
عنوان ژورنال: Scientific American
سال: 1911
ISSN: 0036-8733
DOI: 10.1038/scientificamerican10071911-318