'Shortcuts' of the mind lead to miscalculations of weight and caloric intake, says Penn study
PHILADELPHIA - Psychologists at the University of Pennsylvania have identified a cognitive shortcut, or heuristic, they call "Unit Bias," which causes people to ignore vital, obvious information in their decision-making process, points to a fundamental flaw in the modern, evolved mind and may also...
Enzyme involved in inflammatory bowel disease discovered at Penn State College of Medicine
Researchers at Penn
State College of Medicine, working with biochemists, geneticists and clinicians at the University of Bern, Switzerland and in the United Kingdom, have discovered an enzyme that has a key role in inflammatory bowel disease (IBD). The team, co-led by Judith Bond, Ph.D., Distingui...
Brain structure assists in immune response, according to Penn vet study
PHILADELPHIA - For the first time, a team of researchers at the University of Pennsylvania School of Veterinary Medicine have imaged in real time the body's immune response to a parasitic infection in the brain.
The findings provide unexpected insights into how immune cells are regulated in the...
Penn announces $50M Penn Integrates Knowledge neurosciences initiative
PHILADELPHIA - The University of Pennsylvania will make a major investment in neuroscience, the interdisciplinary study of brain/behavior relationships and nervous-system diseases, with a $50 million contribution from Penn's Health System to endow five new Penn
Integrates Knowledge (P...
From Canada to the Caribbean: Tree leaves control their own temperature, Penn study reveals
PHILADELPHIA - The temperature inside a healthy, photosynthesizing tree leaf is affected less by outside environmental temperature than originally believed, according to new research from biologists at the University of Pennsylvania.
Surveying 39 tree species ranging in location from subtropic...
Haagen-Dazs gift to support Penn State honeybee research
As the pollination season approaches in Pennsylvania and the Northeast, scientists at Penn
State and elsewhere continue to seek answers to the decline of the nation's honeybees and other pollinators, which are critical to the production of $15 billion worth of crops in the United States. To assist...
Snoozing worms help Penn researchers explain the evolution of sleep
PHILADELPHIA The roundworm C. elegans, a staple of laboratory research, may be key in unlocking one of the central biological mysteries: why we sleep. Researchers at the University of Pennsylvania School of Medicine report in this weeks advanced online edition of Nature that the round worm has a...
'Heftier' atoms reduce friction at the nanoscale, study led by Penn researcher reveals
PHILADELPHIA - A research team led by a University of Pennsylvania mechanical engineer has discovered that friction between two sliding bodies can be reduced at the molecular, or nanoscale, level by changing the mass of the atoms at the surface. Heavier atoms vibrate at a lower frequency, reducin...
Stem cell nuclei are soft 'hard drives,' Penn study finds
Biophysicists at the University of Pennsylvania have discovered that the nuclei of human stem cells are particularly soft and flexible, rather than hard, making it easier for stem cells to migrate through the body and to adopt different shapes, but ultimately to put human genes in the correct nucle...
Childhood obesity indicates greater risk of school absenteeism, Penn study reveals
In the first study of how weight may affect school attendance, researchers at the University of Pennsylvania and Temple University have found that overweight children are at greater risk of school absenteeism than their normal-weight peers. The study of more than a thousand 4th, 5th and 6th grade...
Good times ahead for dinosaur hunters, according to U of Penn scientist's dinosaur census
The golden age of dinosaur discovery is yet upon us, according to Peter Dodson at the University of Pennsylvania. In a forthcoming issue of the Proceedings of the National Academy of Sciences, Dodson revises his groundbreaking 1990 census on the diversity of discoverable dinosaurs upward by 50%, o...
An AIDS-related virus tricks cells to become tumors, new Penn study finds
Researchers at the University of Pennsylvania School of Medicine have discovered how the Kaposi's sarcoma-associated herpesvirus (KSHV) subverts a normal cell process in order to promote tumor growth. The finding, published in the most recent issue of PLoS Pathogens, offers new potential strategies...
Gatekeeping: Penn researchers find new way to open ion channels in cell membranes
Using an enzyme found in the venom of the brown recluse spider, researchers at the University of Pennsylvania School of Medicine have discovered a new way to open molecular pores, called ion channels, in the membrane of cells. The research team ?Zhe Lu, MD, PhD; Yajamana Ramu, PhD; and Yanping Xu, ...
Disease progression model of pancreatic cancer developed by Penn researchers
Building on previous work, researchers at the University of Pennsylvania School of Medicine have developed an animal model of pancreatic cancer that closely mimics disease progression in humans. From this, they hope to develop new treatments for this deadly disease. Advanced pancreatic cancer is am...
Self-assembled nano-sized probes allow Penn researchers to see tumors through flesh and skin
Nano-sized particles embedded with bright, light-emitting molecules have enabled researchers to visualize a tumor more than one centimeter below the skin surface using only infrared light. A team of chemists, bioengineers and medical researchers based at the University of Pennsylvania and the Unive...
Wastewater produces electricity and desalinates water
...linate water and produce electricity while removing organic material from wastewater," said Bruce Logan, Kappe Professor of Environmental Engineering, penn
The team modified a microbial fuel cell -- a device that uses naturally occurring bacteria to convert wastewater into clean water producing el...
UC San Diego engineer provides insights to decades-old DNA squabble
...eractions." The authors include Gaurav Arya, a nanoengineering professor at the UC San Diego Jacobs School of Engineering, as well as researchers from penn
State University, University of Massachusetts, and New York University.
The internal structure of chromatin is not knowna mystery that has baffled...
Nanophysics: Serving up Buckyballs on a silver platter
... Scientists at penn
State University, in collaboration with institutes in the US, Finland, Germany and the UK, have figured out the long-sought structure of a layer of C6...
Methane-eating microbes can use iron and manganese oxides to 'breathe'
..." said Emily Beal, graduate student in geoscience, penn
State. "But other electron acceptors, such as iron...opher H. House, associate professor of geoscience, penn
State, and Victoria J. Orphan, assistant professor...rivial components," said House, who is director of penn
State's Astrobiology Research Center. "They are pr...
Sustainable bioenergy project has global launch
...to enhance both economic and environmental outcomes," said Tom Richard, associate professor of agricultural and biological engineering and director of penn
State Institutes of Energy and the Environment.
The three-stage project is led by Richard, Nathanael Greene, Natural Resources Defense Council who ...
CWRU receives $5 million from Ohio Third Frontier Commission
...apy by running a FDA approved Phase II clinical trial to evaluate the performance of the cells.
Juventas Therapeutics, spin out company from Marc penn
(CC), will develop its lead drug product, stromal cell derived factor 1 (SDF-1), through a Phase I clinical trial for critical limb ischemia.
Research explores interactions between nanomaterials, biological systems
...dicine division, UCLA associate professor of civil and environmental engineering Eric Hoek, Lutz Mdler of the University of Bremen, Darrell Velegol of penn
State University, Ponisseril Somasundaran of Columbia University, Fred Klessig of Pennsylvania Bio Systems, Vince Castranova of the National Institute...
Skin color clue to nicotine dependence
...mong African Americans," said Gary King, professor of biobehavioral health, penn
King states that previous research shows that nicotine has a bioch...which is the amount of melanin solely acquired genetically.
However, the penn
State researcher cautions that additional studies with larger samples of sm...
Penn State entomologists seek fungus to blunt mosquitoes' sense of smell
...oes, they would not be able to feed on humans and spread malaria. A team of penn
State entomologists is looking for an insect disease that will infect mosqu...and Eberly College of Science distinguished senior scholar, are all part of penn
State's Centers for Chemical Ecology and for Infection Disease Dynamics. Th...
Center to investigate plant cells for better biomass fuels
...e and Formation, a Department of Energy, Energy Frontier Research Center at penn
The DOE plans to fund the Center for $21 million over five years.... macroscale properties including porosity and plant cell wall mechanics.
State also has researchers participating in three other EFRCs: Computationa...
Unifying the animate and the inanimate designs of nature
...ngs and inanimate phenomena may have more in common than previously thought.
At least that is the view of Duke University engineer Adrian Bejan and penn
State biologist James Marden.
What they believe connects the two worlds is a theory that flow systems from animal locomotion to the formation of r...
Entomological Society of America's Linnaean Games teams selected
...ia Tech UniversityHamilton R. Allen, Meredith E. Cassell, Gina A. Davis, Amanda L. Koppel, and Laura M. Maxey; Douglas G. Pfeiffer (coach)
State UniversityRobert D. Anderson, Scott M. Geib, Maya E. Nehme, Daniel R. Schmehl, and Ezra G. Schwartzberg; John F. Tooker (coach)
Penn biologists discover how 'silent' mutations influence protein production
... of each protein to make, providing just the right amount of protein to maintain homeostasis yet not too much to cause cell toxicity.
In the study, penn
biologists analyzed how protein levels are governed by synonymous, or silent, mutations within the protein-coding region.
Synonymous mutations do ...
Penn researchers demonstrate a new model for drug discovery with a fluorescent anesthetic
... Researchers from the School of Medicine and School of Arts and Sciences at penn
initiated the study in response to the health-care industry's need for new ...e a very focused target area in order to minimize systemic toxicity.
team will now collaborate with the National Chemical Genomics Center in Roc...
Locking parasites in host cell could be new way to fight malaria
...m, PhD, Assistant Professor of Pharmacology in the penn
School of Medicine.
"Researchers can now develop...on people. In collaboration with the laboratory of penn
biologist David Roos, PhD, the work was broadened ...oused in adjacent space, under the auspices of the penn
Genome Frontiers Institute.
Because Plasmodium ...
The secret to chimp strength
...d, biologists have uncovered differences in muscle architecture between chimpanzees and humans. But evolutionary biologist Alan Walker, a professor at penn
State University, thinks muscles may only be part of the story.
In an article to be published in the April issue of Current Anthropology , Walker ...
Penn biologists demonstrate that size matters... in snail shells
...nce of changes in other shell characteristics. The penn
team's results demonstrate that monitoring changes... Sellers Colton. Colton, a professor of biology at penn
until 1926 and a charter member of the Ecological ...cademy of Natural Sciences of Philadelphia.
team discovered the body size change simply by acc...
Deep-sea rocks point to early oxygen on Earth
...umed that the hematite in ancient rocks formed by the oxidation of siderite in the modern atmosphere," said Hiroshi Ohmoto, professor of geochemistry, penn
State. "That is why we wanted to drill deeper, below the water table and recover unweathered rocks."
The researchers drilled diagonally into the ba...
Exploring the dynamic relationship between health and environment
... Natural History; Tony Goldberg, School of Veterinary Medicine, University of Wisconsin-Madison; Peter Hudson, Center for Infectious Disease Dynamics, penn
State University; Karen Nelson, The J. Craig Venter Institute; and Oliver Pybus, Department of Zoology, Oxford University.
The final afternoon will...
Penn medicine draws road map for elimination of central line-associated bloodstream infections
...uction System to encourage best practices in line care. The findings, which penn
physicians say provide a road map for cutting the deadly, costly toll of ho...he long-term venous access for delivery of IV medications or nutrition, the penn
investigators sought to identify ways to eliminate all preventable infectio...
Penn research team tests bedside monitoring of brain blood flow and metabolism in stroke victims
...tion and hemoglobin concentration to inform clinicians about their treatments," Arjun Yodh, professor of physics in the School of Arts and Sciences at penn
and principal investigator of the study, said.
The study is part of a $2.8 million, five-year Bioengineering Research Partnership grant from the Na...
Winners of Tyler environmental prize announced
...r Environmental Achievement.
The award, consisting of a $200,000 cash prize and gold medals, will go to Richard Alley, professor of geosciences at penn
State University, and Veerabhadran (Ram) Ramanathan, professor of atmospheric and climate sciences in the Scripps Institution of Oceanography at the U...
If you're aggressive, your dog will be too, says veterinary study at University of Pennsylvania
...The team from the School of Veterinary Medicine at penn
suggest that primary-care veterinarians advise own...narians with the Department of Clinical Studies at penn
Vet, produced a 30-item survey for dog owners who made behavioral service appointments at penn
Vet. In the questionnaire, dog owners were asked ...
Artificial cells, simple model for complex structure
... A simple, chemical materials model may lead to a better understanding of the structure and organization of the cell according to a penn
"Cells are interesting because they show organization even at the level of the cytoplasm, and while it is thought to be important...
Mixed population provides insights into human genetic makeup
... Genetic diseases and genetically mixed populations can help researchers understand human diversity and human origins according to a penn
State physical anthropologist.
"We wanted to get to a strategy to predict what a face will look like," said Mark D. Shriver, associate professor of ...