University of Pennsylvania Archives

License-plate-based driving restrictions: Do they really backfire?

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Dr Erick Guerra undertakes a literature review of the effects of license-plate-based restrictions in cities on the local air quality, with respect to policymaking and behavioural responses to the policies

Driving restriction policies that limit the number of days drivers can use their vehicles within cities based on the last digit of their license plates are popular in some cities. Research into their effectiveness in reducing air pollution and congestion, however, yields mixed results. Dr Erick Guerra and his colleagues at the University of Pennsylvania, USA, have published the first […]

Fruit flies help shed light on drug discovery for ALS

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Amyotrophic lateral sclerosis (ALS) is a devastating and incurable neurodegenerative disease that affects people in adulthood. It leads to the death of neurons involved in muscle control, eventually affecting almost all facets of the body, including walking, swallowing and breathing. Drs Nancy Bonini and Leeanne McGurk at the University of Pennsylvania are using fruit flies, mammalian cellular systems like neurons, […]