Stephen Morse of the Law School and the Perelman School of Medicine comments on the hazards of misusing scientific terms in court that might have different meanings.
PHILADELPHIA — If Pygmies are known for one trait, it is their short stature: Pygmy men stand just 4’11” on average. But the reason why these groups are so short and neighboring groups are not remains unclear. Scientists have proposed various theories based on natural selection, including that Pygmies’ reduced size lowered nutritional requirements, helped them better handle hot climates, or allowed them to reach sexual maturity at an earlier age.
PHILADELPHIA -- Protein design is technique that is increasingly valuable to a variety of fields, from biochemistry to therapeutics to materials engineering. University of Pennsylvania chemists have taken this kind of design a step further; using computational methods, they have created the first custom-designed protein crystal.
Crew teams at dawn. A midday rush to food trucks along Spruce Street. An evening performance in an on-campus theater.
These are just a handful of the moments, big and small, captured in the first-ever University-wide photo project, “A Day in the Life of Penn.”
PHILADELPHIA — A team of researchers from the University of Pennsylvania School of Veterinary Medicine has characterized a protein responsible for sperm tail formation that, when missing, causes male infertility, brain abnormalities and other problems in mice.
Frederick Kaplan of the Perelman School of Medicine is cited for being among the speakers at the second Philadelphia Science Festival.
Richard Doty of the of the Perelman School of Medicine says “no scientific study has ever proven conclusively that mammals have pheromones.”
PHILADELPHIA –- The University of Pennsylvania will join Princeton University, the University of Michigan, the University of California, Berkeley and Stanford University in partnering with Coursera, an online education platform, to make Web-based courses available free and to improve teaching on campuses.