University of Pennsylvania

'Onion' vesicles for drug delivery developed

One of the defining features of cells is their membranes. Each cell's repository of DNA and protein-making machinery must be kept stable and secure from invaders and toxins. Scientists have attempted to replicate these properties, ...

dateJun 10, 2014 in Biochemistry
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New book explores racial literacy in schools

Racism and racial stereotyping still haunt America's schools and foster academic underachievement, but "racial literacy" may pave the way toward better understanding and stronger, more successful students. That is the conclusion ...

dateMay 20, 2014 in Social Sciences
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Cosmologists weigh cosmic filaments and voids

(Phys.org) —Cosmologists have established that much of the stuff of the universe is made of dark matter, a mysterious, invisible substance that can't be directly detected but which exerts a gravitational pull on surrounding ...

dateApr 17, 2014 in Astronomy
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