Genetic, Familial Factors Influence ADHD, Not Necessarily Sex Of Child
...d whether girls areunder diagnosed are some of the questions the investigators hope to answer asthey look at the disorder's genetic and familial influences....Melatonin Shapes Brain Structure In Songbirds
...m byexperimenting with birds and then we can raise questions that are of morefundamental significance to biomedical research in general," Bentley said. "Wenever would have discovered this if we had started out trying to see whatmelatonin is doing in humans. Now, with this discovery, we can feed back theinforma...UCSF Lab Makes Observation That Could Explain Ability Of Modified Cold Virus To Kill Cancer Cells
... cancer cells, offering a possibleanswer to recent questions about its mechanism of action and providing insigh...usly thought. Morefundamentally, they have raised questions about the regulation of a particulargene, known as p53, in the pathway toward cancer. The p53 gene p...First North Americans Had Chance To Be Avid Birders
...irst Nation. The new bird evidence raises numerous questions both about both these flyers,and potentially, early humans in Eastern Beringia. Were the migratory birdstravelling south to north over the glaciers? And, perhaps most intriguing, howlong ago were the first North American's hunting them? A snow goose ...University Of Chicago To Host 'Evo-Devo' Symposium
...data that can allow usto go back and reexamine old questions we thought we knew the answers to," saysGregory Davis, a third-year graduate student who helped organize the symposium. For example, scientists used to think that the common ancestor to allcomplex animals had to be a relatively complex crea...Study Suggests New Approach To Asthma
...lly programmed in people with asthma," he says. He questions the traditional view that asthma is entirely an allergic response.In this scenario, an allergen such as dust or mold provokes immune cells tosecrete chemicals -- cytokines -- that rally more immune cells to the site,triggering inflammation. Holtzman...Vitamin D Deficiency May Increase Risk Of Hip Fracture In Older Women
...e densitycriteria. All the participants answered questions regarding their lifestyle, reproductivehistory, calcium in their diet, and physical activity. Bone mineral density ofthe spine, hip, and total body were measured by dual X-ray absorptiometry (DXA)technique, as was body composition. Blood chemistry ...Scientists Show Proteins Function Individually As Part Of DNA Repair
...o the point where we are beginning to ask detailed questions aboutexactly how they work." A gene known as uvrD produces DNA helicase II. Matson's laboratorycurrently is working on a yeast DNA helicase similar to the helicase responsiblefor Werner's syndrome. Dr. Dale Wigley of Oxford Universit......, and controversialissue for which many scientific questions remain. Several aspects related tohuman and environmental health are presented, and the Conclusions andRecommendations drafted by the presidents of the three Unions review the policyissues and how they relate to the science. This publication is the...UC Berkeley Conference On Population Growth And The Environment
...threatening the Earth's ecosystems? These daunting questions will be explored at a conference titled "Population andthe Environment: Too Many People and/or Poor Management of Resources?" at theUniversity of California, Berkeley, on Monday, May 24. The conference willbegin at 8:30 a.m. in Alumni House and is ......t thesame time, the nature of this research raises questions on the protection ofgenetic privacy and property of the Human Genome. A larger and informed debate, including the citizens as well as patientsupport-groups, specialists of different disciplines, from lawyers tojournalists and scientists, seems a nece......an-ups. Knowing The Code Many essential biology questions depend on knowing the structure of proteins andenzymes. By charting their shape, scientists can determine how the moleculeswork. But these molecules may also change shape when performing importantfunctions, like carrying oxygen in blood hemoglobin. I...Unprecedented View Of RNA Structure Captured
...heses aboutthe nature of RNA and see long-standing questions in a new light. The insightshould advance his research quickly. "It's like you've been working in a dimly lit room for a long time and somebodyfinally turns on a light," he observed. "Maybe it's just one corner of the room,but at last you can see wha...The Sagan criteria for life revisited
...ounter with Earth framed one of the most difficult questions in astrobiology: Can a modern space instrument tell if the Earth, or any planet, is a good candidate for harboring life? As Cornell Professor, J.R. Vallentyne, put the matter in his opinion in 1965: "Apparent inherent limitations on temperature...Genetic testing of pregnant women with liver illness could save infant lives
...led out. There were still many unanswered questions about AFLP, however. Motherswhose children carried the E474Q mutation did not always get sick, and theincidence of this mutation in mothers with AFLP remained unknown. These puzzlesspurred Strauss and colleagues to study 24 families whose children we......sive study that will try to get at some of the key questions that havenot been addressed to date."...UI researchers begin to unravel the underlying mechanism of migraines
...ow it worked.Durham and Russo wanted to answer the questions of why CGRP levels were elevatedduring migraines and then how sumatriptan worked its migraine-zapping magic.Once they identified the feedback loop, the UI researchers were able to showthat sumatriptan blocks this loop. "The long-term goal of this fin...UT Southwestern researcher finds genetic cause for Gulf War syndrome
...ity ofMichigan Medical School. "One of the biggest questions about Gulf War syndrome has been why one persongot sick when the person next to him didn't," Haley said. "That is one of themajor puzzles that made many people think the symptoms were just due to stress. "But now we know that there appears to be a ge...Dinosaur fossils reveal evolution's big picture, says Paul Sereno
...roviding the answers to some ofscientists' biggest questions about evolution, according to paleontologist PaulS...ereno shows how dinosaur fossils hold the clues to questions such as: How doesan upstart group of species beat out the dominant group? How do organismsdevelop ni......says Heykoop. The model will answer three questions always facing alligator farmers.How many eggs should be collected from the wild? At what size and age should thealligators be harvested? And for the Louisiana farmers, how many and at whatsize should alligators be returned to the wild? The e...