American Chemical Society's Weekly PressPac -- Aug. 8, 2007
...cientific reports from scientists around the world each year. The reports include discoveries in medicine, health, nutrition, energy, the environment and other fields that span sciences horizons from astronomy to zoology. Podcaster for Science Elements is Steve Showalter, Ph.D., a chemist at the U. S. D...Facial attraction -- choice of sexual partner shaped the human face
...derstanding what makes men and women attractive to each other. We have found the distance between the lip and brow was probably immensely important to what made us attractive in the past, as it does now. ...Climate change isolates Rocky Mountain butterflies
...slowly isolating groups of alpine butterflies from each other, which may lead to the extinction of the col...with less synchrony and become more independent of each otheras we've shown the Parnassius is becoming in certain areas in the Canadian Rockiesthe local ext...AFCYBER holds science and technology symposium
...der said. The initial two-day meeting introduced each organization in attendance, focusing on their capabilities and current research projects. Together, they addressed future possibilities to merge their knowledge and capabilities in accomplishing the Air Force mission to fly and fight in Cyberspace. ...Beyond batteries: Storing power in a sheet of paper
...e said. The components are molecularly attached to each other: the carbon nanotube print is embedded in the paper, and the electrolyte is soaked into the paper. The end result is a device that looks, feels, and weighs the same as paper. The creation of this unique nanocomposite paper drew from a diverse...Pollution causes 40 percent of deaths worldwide, study finds
...ly the direct cause of 6 million children's deaths each year but also makes millions of people much more s... conditions account for more than 5 million deaths each year, of which more than half are children. Air pollution from smoke and various chemicals kills...Which came first, the moth or the cactus?
...gy and evolutionary biology, spends several months each year observing moths and cacti in the Mexican desert to document why. Holland, whose lab is just a few steps down the hall from his Houston office, jokes that his "real" lab is 1,500 miles away. He's studied senita at several locations in the Sonor...Interaction of just 2 genes governs coloration patterns in mice
...ifferent types of mutations in two different genes each contribute to the light coloration of beach mice," Hoekstra says. "This work represents a first step into understanding how unique patterns of fur color are produced via a simple interaction between genes." ...Bursts of waves drive immune system 'soldiers' toward invaders
...aining. The researchers found evidence that before each Hem-1 protein is eliminated, it recruits an additional Hem-1 right "next door." As each Hem-1 succumbs, a new one appears - but only on one side. Weiner thinks the structure of actin physi...Green tea boosts production of detox enzymes, rendering cancerous chemicals harmless
...and baseline GST enzyme levels were determined for each participant. Then, the volunteers were asked to ta...E capsules, for a total of 800 milligrams of EGCG, each morning on an empty stomach for four weeks and to abstain from drinking tea or eating many crucifero...OHSU turns mouse into factory for human liver cells
... their unique traits for multiple generations, and each mouse can be implanted with human liver cells at least four times. Grompe estimates that each round of implantation can generate more than 20 million viable human liver cells. "We think we wil...A unique arrangement for egg cell division
...interacting in a tug-of-war of pulling and pushing each other. This ultimately leads to a self-organized spindle with two poles in which all chromosomes are accurately aligned for the subsequent chromosome elimination. Assembling a spindle from so many centres takes very long and involves a lot of coordin...European Science Foundation's Forward Look reaches out beyond the endless frontiers
...e was organized around five specialised workshops, each attended by a small group of experts, and a large consensus conference with 70 participants from science, industry, foundations and governmental agencies. The main findings are: Identification of European strengths and weaknesses, e.g. existing ...New test improves detection of liver cancer
...lgium as well, 350 new cases of liver cancer occur each year. Transplantation often offers the only possible remedy. Detection methods that would detect HCC in an early stage would save many lives. Current detection methods Methods of detecting malignant growths are often based on the concentration of...Brain blood flow gives clues to treating depression
...at 19 million Americans are affected by depression each year, along with their family members, friends and co-workers. Depression may be related to a chemical imbalance in the brain that makes it hard for the cells to communicate with one another. A variety of antidepressant medications and psychotherapie...Carnegie Mellon's Peter Adams receives EPA research grant
... thousand Americans are thought to die prematurely each year due to particle exposure and almost 70 million Americans live in areas that violate the federal standard. That standard was strengthened in September after scientists, armed with years of studies showing that these particles can damage the lungs...Cardio exercise benefits in male vs. female hearts
... study. They also isolated and analyzed the RNA of each mouse to look at any changes at the molecular level. Results The researchers found that the female mice: showed a much higher level of exercise performance (9.2 km/d vs. 6.4 km/d) had a greater increase in LV mass (15 percent vs. five ...Sugar and spice and everything nice: Health differences in newborn girls and boys
...0 children undergo liver transplantation in the US each year. Data on pediatric liver transplantation shows that the outcomes are worse for children who receive organs from female donors. Clinical studies have shown that, compared to males receiving male livers, males receiving female livers experience a ...The 'female advantage' in kidney disease does not extend to diabetic women
...standing how sex hormones affect organ function in each gender." ......hs affect nearly half a million babies in the U.S. each year and cost billions of dollars in health costs annually. Han added that the 30% increase in preterm births in recent decades makes it especially important to investigate novel ways of reversing this trend....