Space is one of the most demanding and unforgiving environments. Human exploration of space requires astronauts to maintain consistently high levels of cognitive performance to ensure mission safety and success, and prevent ...
Space Exploration
Nov 26, 2014
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Human existence is basically circadian. Most of us wake in the morning, sleep in the evening, and eat in between. Body temperature, metabolism, and hormone levels all fluctuate throughout the day, and it is increasingly clear ...
Cell & Microbiology
Nov 20, 2014
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A new effort mapping 24-hr patterns of expression for thousands of genes in 12 different mouse organs – five years in the making – provides important clues about how the role of timing may influence the way drugs work ...
Biotechnology
Oct 27, 2014
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Researchers from the Perelman School of Medicine and School of Engineering at the University of Pennsylvania and The Children's Hospital of Philadelphia have used graphene—a two-dimensional form of carbon only one atom ...
Nanomaterials
Oct 20, 2014
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A perspective piece in this week's issue of the New England Journal of Medicine from a student at the University of Pennsylvania's Perelman School of Medicine addresses the evolution of diversity in medical education. "It's ...
Social Sciences
Oct 15, 2014
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Groundwater and air quality testing before, during, and after natural gas drilling – which includes hydraulic fracturing—should be key components of efforts to ensure the safety of communities near these sites, according ...
Environment
Aug 11, 2014
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Actin is the most abundant protein in the body, and when you look more closely at its fundamental role in life, it's easy to see why. It is the basis of most movement in the body, and all cells and components within them ...
Cell & Microbiology
Jul 24, 2014
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A Penn team describes how a key cell-movement protein called IRSp53 is regulated in a resting and active state, and what this means for cancer-cell metastasis. They characterized how IRSp53 connects to the cell-motility machinery ...
Cell & Microbiology
Mar 12, 2014
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At the heart of brain diseases such as amyotrophic lateral sclerosis (ALS), Alzheimer's disease, and Parkinson's disease is protein misfolding, in which distorted proteins are unable to perform their normal functions. At ...
Cell & Microbiology
Jan 16, 2014
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A multi-disciplinary team from the University of Pennsylvania have published in Nature Methods a first-of-its-kind way to isolate RNA from live cells in their natural tissue microenvironment without damaging nearby cells. ...
Cell & Microbiology
Jan 12, 2014
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