Mammalian -globin loci contain multiple -like genes that are expressed at different times during development. The murine -globin locus contains two genes expressed during the embryo stage, Ey and h1, and two genes expressed at both the fetal and postnatal stages, -major and -minor. Studies of transgenic human -like globin loci in mice have suggested that expression of one gene at the locus will...

We sequenced part of the mitochondrial control region of 2 Himalayan Ursus arctos isabellinus individuals and compared it with that of other U. arctos. Results indicate that the valid allopatric subspecies U. a. isabellinus represents an ancient clade and includes the Gobi bear of Mongolia as a relict population.

Given a control region Ω on a compact Riemannian manifold M , we consider the heat equation with a source term g localized in Ω. It is known that any initial data in L2(M) can be stirred to 0 in an arbitrarily small time T by applying a suitable control g in L2([0, T ]×Ω), and, as T tends to 0, the norm of g grows like exp(C/T ) times the norm of the data. We investigate how C depends on the ge...

Robotics competitions are an educational tool at the middle school, high school, and university levels. The layout, rules, and reward systems of these competitions galvanize students to a specific solution space. From our experiences competing-in and designing such competitions, open-loop, low feedback strategies tend to dominate the winner's circle. If we want competitions to emphasize solutio...

We present the results of a search for new particles decaying to tau pairs, using data corresponding to integrated luminosity 195 pb collected with the CDF detector of the Tevatron. Hypothetical particles, such as and MSSM Higgs boson A can potentially produce such pairs. We discuss the methods of tau identification, and show the signal acceptance versus new particle mass. The low-mass region, ...