Viewing of internet ads does lead to future sales

Contrary to popular e-wisdom, measuring Internet banner ads only by the number of times that viewers click through is faulty, according to a paper presented today at a conference of the Institute for Operations Research and the Management Sciences (INFORMS®).

The paper contends that the more often consumers see online banner ads, the more likely they are to make a purchase, even if they don’t click through immediately to the

Scientists discover Spot 42 function in the galactose operon

Although the E. coli galactose operon is a staple of most biology textbooks, a new report in the July 1 issue of Genes & Development shows that our understanding of this common example of bacterial gene regulation is still evolving.
Dr. Poul Valentin-Hansen and colleagues at the University of Southern Denmark report that a small RNA, called Spot 42, functions by an antisense mechanism to differentially regulate gene exp

Researchers at MIT and Rice University have discovered that microRNAs, an emerging class of non-protein gene regulators thus far only identified in animals, also exist in plants. By extending the known phylogenetic range of miRNAs to plants, this work points to an ancient evolutionary origin for microRNAs. The report is published in the July 1 issue of the scientific journal Genes & Development.

MicroRNAs (miRNAs) compose a class of short, noncoding RNAs, 20-24-nucleotides in length, that h

Artificial “Sugazyme” catalyzes synthesis of novel proteins with special features

University at Buffalo chemists have developed a remarkably simple and effective biotechnological method for synthesis of novel proteins using amino acids that do not occur in nature by using unique, programmable ribozymes (enzymes made of RNA, or ribonucleic acid) that they evolved in the lab.

The technology, described in the July issue of Nature Biotechnology, provides a potentially important

Scientists from Imperial College London have suggested why the human genome may possess far fewer genes than previously estimated before the human genome project was begun.

Research published in the July issue of Trends in Immunology, shows how a more advanced immune system in humans could explain why the human genome may have only a slightly greater number of genes than the plant Arabidopsis thaliana , and probably less than rice, Oryza sativa .

Dr Andrew George, from I

Kids growing up in smoggy areas again have been found to suffer the effects of pollution, especially acid vapor, according to findings from the University of Southern California-led Children’s Health Study.

The 10-year-long Children’s Health Study is considered one of the nation’s most comprehensive studies to date of the long-term effects of smog on children. The new findings address the development of lung function in children, showing that lung function growth of kids in p