Natural Science

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Media Contact:Jordan Reese | jreese@upenn.edu | 215-573-6604May 26, 2010

“Grinding Mouth, Wrinkle Eye”: Penn Graduate Student Describes New Species of Plant-Eating Dinosaur

PHILADELPHIA –- A team of paleontologists, including a University of Pennsylvania doctoral candidate, has described a new species of dinosaur based upon an incomplete skeleton found in western New Mexico. The new species, Jeyawati rugoculus, comes from rocks that preserve a swampy forest ecosystem that thrived near the shore of a vast inland sea 91 million years ago.

Criação de Célula Sintética Abre Debate Sobre Biossegurança, Ética e Religião

May 22, 2010

Arthur Caplan of the School of Medicine discusses Craig Venter’s findings.

Article Source: O Globo (Brazil)

Obama Encarga Estudiar Las Implicaciones Bioéticas del Hallazgo de Venter

May 21, 2010

Arthur Caplan of the School of Medicine discusses Craig Venter and what his accomplishment means to science.

Article Source: El País (Spain)
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Media Contact:Jordan Reese | jreese@upenn.edu | 215-573-6604May 21, 2010

University of Pennsylvania and Hong Kong University Physicists Describe the Melting of Colloidal Crystal Films

PHILADELPHIA –- Physicists from the University of Pennsylvania and Hong Kong University of Science and Technology have reported an elegant experimental study of the melting behaviors of thin crystalline films, uncovering a variety of interesting differences between thick films of greater than four layers and thinner or single-layer films.

Sports Genes

May 17, 2010

Sarah Tishkoff of the School of Medicine and the School of Arts and Sciences is credited for genetic research conducted in Africa.

Dos Matemáticos Solucionan la Ecuación de Boltzmann, un Problema de 140 Años

May 18, 2010

Philip Gressman and Robert Strain of the School of Arts and Sciences solve a 140-year-old math equation.

Article Source: ABC.es (Madrid)

A Little Neanderthal May Lurk in All of Us

May 17, 2010

Paul Schmidt of the School of Arts and Sciences discusses research suggesting human-Neanderthal cross-species mating.

Article Source: Philadelphia Inquirer

Close Encounters of the Prehistoric Kind

May 13, 2010

Sarah Tishkoff of the School of Medicine and the School of Arts and Sciences discusses research findings on the Neandertal genome.

Article Source: Science
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Media Contact:Jordan Reese | jreese@upenn.edu | 215-573-6604 May 12, 2010

Mathematicians Solve 140-Year-Old Boltzmann Equation

PHILADELPHIA –- Two University of Pennsylvania mathematicians have found solutions to a 140-year-old, 7-dimensional equation that were not known to exist for more than a century despite its widespread use in modeling the behavior of gases.

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Media Contact:Jordan Reese | jreese@upenn.edu | 215-573-6604 May 12, 2010

Cellular Workouts Strengthen Endothelial Cells' Grasp

PHILADELPHIA –- University of Pennsylvania bioengineers have demonstrated that the cells that line blood vessels respond to mechanical forces — the microscopic tugging and pulling on cellular structures — by reinforcing and growing their connections, thus creating stronger adhesive interactions between neighboring cells.