Effects of nutrition on learning
... during the poor nutrition phase of the experiment varied considerably, as did the degree of accelerated growth after the switch to a normal diet. As it happened, birds with the most stunted growth (relative to their control siblings) and those with the most accelerated growth (after switching diets) fell i...How can identical twins be genetically different?
...on of these genes and that the expression patterns varied between identical twins where only one twin had RA. Results of the U-M study were published in the July issue of Arthritis and Rheumatism. RA is a chronic inflammatory disease that damages joints. RA causes pain, loss of movement, and bone deformit...Preventing ventilation induced lung injury depends on giving the right number of 'sighs'
...as exchange within the lungs. Low tidal volume, varied sigh rate The researchers divided mice into three experimental groups. All three groups received PEEP and low tidal volume air. Each group was ventilated for two hours. The experimental groups differed according to how many deep inflations they re...Male praying mantids prefer not to be victims of sexual cannibalism
... front legs," says Brown. Lelito and Brown thus varied female hunger and physical orientation in order to assess how male mantids respond to variation in the risk of cannibalism. They found that males responded to greater risk by slowing their approach, increasing courtship behavior, and mounting from a ...Mapping system tells skin cells whether to become scalp, palm tissues, Stanford study finds
...ey found about 400 genes whose expression patterns varied with the cells' original location. Those from the top half of the body - arms, head and chest, for example - shared expression patterns that were markedly different from the patterns shared among cells from the bottom part of the body, such as the le...A single sugar found responsible for an antibody's ability to treat inflammation
...theless, practitioners have used it off-label with varied success in patients with lupus, arthritis and asthma, among other autoimmune disorders. In the body, the antibodies in plasma act as part of the immune response to identify and deactivate foreign invaders. When they begin attacking the body's own cel...Prenatal health strongly influences future economic success
...itions. Additionally, the severity of the pandemic varied widely and idiosyncratically across states with little in common economically, demographically, climatically, or geographically. "The 1918 influenza pandemic provides an exceptional opportunity to evaluate effects of prenatal environment using U.S....'Dead Zone' causing wave of death off Oregon coast
...vious events were of this magnitude, and they have varied somewhat in their causes and effects. Earlier this year, strong upwelling winds allowed a low-oxygen pool of deep water to build up. That pool has now come closer to shore and is suffocating marine life on a massive scale. Some strong southerly wind...News tips from the Journal of Neuroscience
..., cluster, or burst-firing discharge patterns that varied with the sleepCwake cycle, but PV-positive neurons displayed more pronounced rhythmic bursting activity. Cholinergic neurons all displayed a low discharge rate. 4. A KCC2 Homolog and Seizures in Drosophila Daria S. Hekmat-Scafe, Miriam Y. Lun...Cell's fight against cancer revealed
... studying LTag for many years and marveling at its varied biological functions including highly efficient tumor promotion named it "The Most Amazing Molecule in the Universe" in one of his presentations. Pipas called Chen's new study "a very important piece of work" that shows how a healthy cell's tumor...Social imitation in neonatal monkeys
...onths). It's possible that rhesus babies show more varied and prolonged imitative behavior in response to mom or other monkeys than to human experimenters, who may not provide the most relevant biological cues. But this narrow window does comport with the development schedule of rhesus monkeys, which is muc...NSF gives $12M to Rice to study nanotech's impact on health, environment
...y from the laboratory to the marketplace through a varied set of collaborations with diverse groups like the Rice Alliance for Technology and Entrepreneurship and the International Council on Nanotechnology (ICON)."CBEN was among the first six Nanoscale Science and Engineering Centers (NSECs) funded by NSF ...Ecological change, climate variation addressed at international conference, September 20-24
... plant species, but that plant community responses varied among ecosystems and depended upon species traits. Symbiotic crabs maintain coral health by clearing sediments Coral reefs are one of the most productive and diverse ecosystems in the world.But the health of these reefs is facing threats from cli...Wild bees make honeybees better pollinators
...ields in the study were conventionally farmed, but varied in their proximity to natural habitat, Greenleaf said....Dinosaurs' climate shifted too, reports show
...esent new evidence that ocean surface temperatures varied as much as 6 degrees Celsius (about 11 degrees Fahrenheit) during the Aptian Epoch of the Cretaceous Period 120 million years ago. The finding is relevant to the ongoing climate change discussion, IUB geologist Simon Brassell says, because it portr...USGS at The Wildlife Society: From sea-ice change to contaminants to predators and prey
...lso found that the probability of being hauled out varied among walruses, increased with the proportion of o...es decreased. In turn, daily mobility of bobwhites varied with respect to the time that had passed since the last fire, season of year, and whether or not an ...Conflict over rearing young shapes breeding systems
...layed out over evolutionary time. Shorebirds have varied breeding systems. Females care for the young in some species, males do in others, and in many, the chore is shared. In the Kentish plover, which the authors studied in detail, either the male or the female in a pair may desert, leaving the other part...Why don't all moles progress to melanoma?
...that the tumor suppressive response in melanocytes varied depending on the type of oncogene being expressed in the cell. "We found that some oncogenes activated the endoplasmic reticulum, while other oncogenes didn't," Soengas says. In a previous study, Soengas and colleagues found that certain oncogen...Longer-lived rodents have lower levels of thyroid hormone
...ch animal. T4 levels vary the most T4 levels varied significantly between all of the groups, with the shorter-lived groups having higher levels of T4 than longer-lived groups. The mice, for example, had twice as much T4 as the Damara mole-rats and had and three times more than that of the naked mole-r...... is this childcare tug-of-war which has shaped the varied breeding systems found amongst the world's shorebirds, say researchers. Scientists from the universities of Bath, Bristol and Imperial College London (all UK) focused on the Kentish plover (Charadrius alexandrinus) to help investigate the influence...