'Casanova' field crickets - live fast, die young
...d male field crickets die young because they spend too much time courting members of the opposite sex, according to research by Australian scientists in the latest edition of Nature . The results reveal how male crickets (Teleogryllus commodus) fed on a high protein diet engaged in more "sexual calling"...Ocean colour satellites guide research ship through South Pacific's watery desert
...owever these waters isolated from any continents, too far too receive nutritive elements via wind or rain - are 'super-oligotrophic', with a poor standing algal s...UGA partners with U of Pennsylvania for bio-defense and infectious disease research project
...call that the vacuum-cleaner approach. But there's too much data to suck it all up so new approaches are needed." Instead, the UGA team will use a relatively new technology called "Web services" to link the multiple databases. Web services technology allows one database to talk to another database. ...New technique for tracking gene regulators
...l methods, evaluating one gene at a time, would be too labor-intensive, expensive, and take a very long time. Scientists have been working on short cuts, but all so far have limits. For example, in one recent technique, scientists mix the regulator protein of interest (let's say, CREB) with the entire ge...New signaling step for key player in Crohn's Disease
...tract. Because Crohn's Disease is characterized by too much initial acute inflammation, and, subsequently, too little subsequent negative regulation of that inflammatory response, pro-inflammatory and anti-infla...New painkiller was born in Utah
...an's cone, which is about 1.5 inches long and thus too small to kill people it stings, as do some larger cone snails. McIntosh discovered a component or "factor" in the venom affected the nervous system. He purified it and determined its chemical structure. Later, University of Utah biologist Doju Yosh...Brain tumor study reveals why treatment efforts fail in genetic disorder
...s made progress toward that goal. Too much RAS and too little Nf1 are both known to result in a cascade of events, including activation of another protein called Rac1, which in turn activates LIM kinase. Gutmann and his colleagues found that that effect could be mimicked in normal astrocytes by selective...Scientists develop split green for tagging protein
...en the attached GFP also will fold correctly as it too is expressed. If the protein being expressed does not fold correctly, then the GFP also will not fold correctly and not fluoresce green. After scientists discovered that the GFP had some drawbacks, they developed the new system, which uses GFP fragme...Mothers speak: Physicians often fall short when delivering a down syndrome diagnosis
..., the survey found. Some mothers received the news too soon, such as while having episiotomies stitched up. While the worst reported instances came from the 1980s and earlier, and physicians improved over time, mothers still described insensitive comments as recently as the late 1990s and early 2000s. A...Protein in urine may warn of preeclampsia risk in pregnant women
...blood pressure has been detected it may already be too late, as the condition can very rapidly spiral out... at an early stage. Because the sFlt1 molecule is too large to be filtered through urine, the investigators focused on the PIGF molecule, testing the hypo...Pitt scientists study how cancer cells get out of control
...rs. Why this doesn't always happen when there are too many centrosomes was the focus of the Pitt researchers' investigation. They found that as long as the extra centrosomes "cluster" together, the spindles will form normally, with two ends, and the cells will divide normally. "No one else appreciated t...No blind mice, thanks to UF scientists
...te normally helpful blood stem cells, which become too much of a good thing within the close confines of the eyeball. "SDF-1 is the main thing that tells blood stem cells where to go," said Edward Scott, an associate professor of molecular genetics at the UF Shands Cancer Center and director of the Progr...Gorillas in the midst of extinction
...ddress the problems in the area. Aerial imagery is too expensive." Since gorilla habitat crosses three different countries, satellite imagery provides data and perspectives that are not bound by political borders. The satellite images can create a convenient method for exchanging information among the ...Development of portable infectious disease detector
...at these companies have created thus far have been too expensive for the point-of-care diagnostics market. For their home fertility tester, Pria kept costs down by keeping their system as simple as possible. Instead of trying to squeeze everything onto a single chip, Pria designers started with a desktop...Can plant research lead to new insights in cancer research?
...s, an error in E2F7 could lead to cells containing too many chromosomes, and thus to cancer cells. They want to develop this line of reasoning further with a partner in cancer research in order to better understand the factors that underlie cancer....Enjoy naturally nutrient-rich foods for better health
...dvisory Committee indicated most Americans consume too many foods that are high in calories but low in nutrients. To address this concern, the new Guidelines reinforce a long-standing and widely accepted cornerstone of nutrition nutrient density, or enjoying more foods that are naturally rich in nutrie...Reduced calorie and carbohydrate diet slows progression of Alzheimer's disease in mouse model
...bly prevent Alzheimer's diseases. "While it is far too early for us to make specific recommendations for human diets," said Giulio Maria Pasinetti, MD, PhD, Professor of Psychiatry, Neurosciences and Geriatrics and Adult Development at Mount Sinai School of Medicine and primary investigator on the study,...Combination therapy boosts effectiveness of telomere-directed cancer cell death
... telomerase, which prevents telomeres from getting too short so cells can keep dividing. Telomerase is not used by healthy cells, and has been identified as a logical target for anticancer therapeutics. However, recent studies indicate that for this therapy to be effective, telomeres must be in a critica...UCLA/VA researchers discover fat gene
...ody is unable to produce fat. She also found that too little lipin prevented both genetic and diet-relat...Reue and coauthor Jack Phan, Ph.D., tested whether too much lipin would produce the opposite effect. Her team developed animal models using two sets of sp......s from oxidation damage as the result of absorbing too much light. The researchers determined that when chlorophyll molecules in green plants take in more solar energy than they are able to immediately use, molecules of zeaxanthin, a member of the carotenoid family of pigment molecules, carry away the ex...