We use a newly developed regional chemical/transport model (WRF-Chem) to study the air pollutions in mega cities and their effect on surrounding areas. The model is based on a state of the art regional dynamical/transport model, the Weather Research Forecasting (WRF) model developed by multiple institutes (including NOAA, NCAR, etc.). The detailed description of WRF-Chem is given by Grell et al...

A search for excited quarks is performed using the full ep data sample collected by the H1 experiment at HERA, corresponding to a total integrated luminosity of 475 pb. The electroweak decays of excited quarks q → qγ, q → qZ and q→qW with subsequent hadronic or leptonic decays of the W and Z bosons are considered. No evidence for first generation excited quark production is found. Mass dependen...

its activity when it is cleaved from the membrane. FurThere is an old Japanese saying that “Once we are in thermore, membrane-bound TNF is more active than the land of the living, we will eventually die.” This is true, soluble TNF in activating the type II TNF receptor (Grell not only for human beings, but also for the cells that et al., 1995). These results may indicate that FasL and constitut...

AS discussed in Part I of this Perspectives (see the April tion, by means of the elegant cis-trans comparison devised by Lewis.” Benzer called this unit the “cistron”; issue of Genetics), E. B. Lewis’s early studies of the BX-C revealed a series of five bithorax complex molecular biologists came to view the cistron as the nucleotide sequence encoding a single polypeptide. (BX-C) “pseudoalleles”...

A new meiotic mutation, moremight (mzur) was identified by screening for new mutations that act as dominant enhancers of the dosage-sensitive Drosophila melanogaster female meiotic mutant, nod”? mwr is a recessive meiotic mutant, specifically impairing the segregation of nonexchange chromosomes. Cytological evidence suggests that the meitoic defect in mwr/mw females is in homologue recognition ...

The historiography of science is now unthinkable without a keen awareness of the interactions between science and religion. Shelves of books and countless articles have been and continue to be written about the relationship between these two great pretenders to supreme knowledge. In general, earlier suggestions that science and religion were completely inimical to one another, irreconcilable ri...

A search for excited quarks is performed using the full ep data sample collected by the H1 experiment at HERA, corresponding to a total integrated luminosity of 475 pb. The electroweak decays of excited quarks q → qγ, q → qZ and q→qW with subsequent hadronic or leptonic decays of the W and Z bosons are considered. No evidence for first generation excited quark production is found. Mass dependen...

It is shown that the frequency of spontaneous male recombination in two different lines of Drosophila melanogaster (OKI and T-007) are not subject to an interchromosomal effect. Second-chromosome male recombination in these lines was not affected by heterozygosity for the multiple third-chromosome inversions In(3LR)TM3 or In(3LR)Ubx, which do affect recombination in females. It seems, therefore...

More than a century ago, the simplest of all metazoans was discovered and described as Trichoplax adhaerens [1]. These tiny, flattened animals lack symmetry, mouth, gut, nervous system, and extra-cellular matrix and constitute the apparently monotypic phylum Placozoa. Placozoans diverged early in metazoan history [2–7], making them important organisms for evolutionary research [2,3,8]. Placozoa...