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No evidence that testosterone reduces cognitive empathy
In the largest study of its kind, results challenge the notion of autism as reflecting an “extreme male brain.”
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2
Microrobots can brush and floss teeth in a proof-of-concept study
In a proof-of-concept study, researchers from the School of Dental Medicine and School of Engineering and Applied Science shows that a hands-free system could effectively automate the treatment and removal of tooth-decay-causing bacteria and dental plaque.
3
Microbes that cause cavities can form superorganisms able to ‘crawl’
These multicellular, cross-kingdom assemblages were more resistant to antimicrobials and removal and caused more extensive tooth decay than their single-species equivalents, according to research led by School of Dental Medicine scientists.
4
A built-in 'off switch' to stop persistent pain
J. Nicholas Betley has led collaborative research seeking the neural basis of long-term sustained pain and finds that a critical hub in the brainstem holds a mechanism for stopping pain signals from reaching the rest of the brain. Their findings could help clinicians better understand chronic pain and lead to new…
5
Antiviral chewing gum to reduce influenza and herpes simplex virus transmission
Researchers at Penn Dental Medicine and collaborators have used a clinical-grade antiviral chewing gum to substantially reduce viral loads of two herpes simplex viruses and two influenza A strains in experimental models.
6
‘A Swiss cheese-like material’ that can solve equations
Engineering professor Nader Engheta and his team have demonstrated a metamaterial device that can function as an analog computer, validating an earlier theory about ‘photonic calculus.’