Book makes case for using evolution in everyday life
... the principles to explain phenomena as diverse as why beetles commit infanticide, why dogs have curly tails, and why people laugh and make art. Wilson, a distinguished professor of bio...Pre-cancerous blood diseases can be products of their environment
... instance, the findings provide an explanation for why normal blood-forming stem cells transplanted into patients with the myeloproliferative condition sometimes take on the characteristics of the disease they were meant to cure. At the moment, most doctors focus only on the blood cell as being the cau......tool, but also whether they understood the reasons why the tool worked. The researchers gave the animals access to small rakes with either a rigid wooden head or a flimsy fabric head. Both enculturated and semi-enculturated chimpanzees correctly chose the rigid rake which enabled them to obtain the re...Plants recognize their siblings, biologists discover
...hers, and scientists are starting to catch up with why that happens, says Dudley. What Ive found is that plants from the same mother may be more compatible with each other than with plants of the same species that had different mothers. The more we know about plants, the more complex their interactions s...5.9 million award gives UK aging research a new lease on life
...ace elsewhere, such as the US," she says. "That is why the Wellcome Trust award is crucial, to enable us ...seases, such as Alzheimer's disease. Explaining why the Wellcome Trust has made the award, Dr Alan Schafer, Head of Molecular and Physiological Sciences...'Wurst' ensures that the respiratory system works
...r tubes expand in a sausage-like fashion, which is why we have called the protein 'Wurst', German for sausage." Among geneticists it is common practice for the discoverers to name new genes or proteins for official usage. "The name we have chosen derives from the effect that the respective molecule devel...Study shows lizard moms dress their children for success
...s best for each individual." It is not yet clear why an "orange" social environment triggers this hormonal tweaking of the eggs. "The females are responding to cues that predict something about the future environment, but we're not sure yet exactly what that is," Lancaster said. "Orange-throated nei...Physicist cracks women's random but always lucky choice of X chromosome
...hoose randomly between their two X chromosomes and why that choice is always lucky. Human males have bo...n on the chromosome but they had little idea as to why this should happen randomly to one X chromosomes gene and not the other. Scientists are extremely ...U-M researchers discover gene switched off in cancer can be turned on
...l Oncogene. The researchers sought to understand why BRM is not expressed in certain cancer cell lines. They found no mutations to the gene but rather that it was just silent essentially like a switch that had been turned off. Knowing that a class of drugs called histone deacetylase inhibitors, or HDA...ASU research shows connection between testosterone, dietary antioxidants and bird coloration
...s like bright colors or elaborate songs honest, or why all individuals cannot produce them ad nausea and try to get mates, said McGraw. The reason typically is that long tails and fancy dances incur costs. Testosterone, for example, has been thought of as a double-edged sword as it relates to sexual sign...Identification of genetic risk factor for coeliac disease promises improved treatment
...e which recognised wheat proteins. We did not know why healthy individuals who had the same tissue type did not develop symptoms or disease. The first findings from our study suggest that interleukin genes that control inflammation are critical. We expect to find more disease risk factors from further in...University of Liverpool launches 10 million small animal teaching hospital
...pertise spans a wide range of specialisms which is why the institution is ideally placed to provide such a wide breadth of treatments to animals in this country. The Small Animal Teaching Hospital is a European Centre of Excellence in researching, treating and managing illness in small animals. The ...Agonized death throes probable cause of open-mouthed, head-back pose of many dino fossils
... it, and I'd never observed a horse doing it, then why would dinosaurs be doing it"'" The idea that drying causes muscles or tendons to contract asymmetrically also didn't make sense, she said, based on her veterinary experience and an experiment she conducted with two euthanized red-tailed hawks, whic...University of Manchester researchers reveal clues to new genes behind rheumatoid arthritis
... also hope that this study may help us to discover why 40-50% of people do not respond to therapy. This therapy is expensive - 8,000 per patient per year for the newest biologic agents that block the inflammatory mediator TNF - and this work could show whether someone would respond well or not in advance...Turning the tables in chemistry
...rly disadvantaged ones. We need to ask ourselves why science is unattractive to so many students, particularly (but by no means exclusively), to underrepresented minority students, writes Epstein. He believes that conventional science teaching and passive learning are primary culprits, because they rel...Lack of sun does not explain low vitamin D in elderly who are overweight
BOSTON -- Its not yet clear why overweight elderly adults have low levels of vitamin D in their blood. However, researchers at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University (USDA HNRCA) have found that lack of sun exposure may not account for low ...Super fruit fly may lead to healthier humans
...unction. Why these particular peptides work, and why the receptor they target playssuch an important role in fruit fly aging, remain the bigger and as yetunanswered questions....Studies to find better ways to preserve human eggs, ovarian tissue under way
...s outer shell that sperm must penetrate. That is why we have tried to develop technology without freezing, says Dr. Song, who has pioneered use of vitrification in blood vessels, cartilage and heart valves. Vitrification, which takes tissue from room temperature to minus-100 degrees Celsius in 20 min...2007 Image of the Year: Molecular imaging relates human brain chemistry to aggressive behavior
...ever, scientists agree that there are many reasons why and how people move from aggression to violence, which most of the time involved physical assault, she added. Our study concentrated on how someones genetic and brain makeup can influence aggressive personality in healthy non-violent volunteers. Our ...Largest synthetic gene ever built offers insights into anti-malarial drug resistance
...Center say they are moving closer to understanding why the most lethal form of human malaria has become resistant to drug treatment in the past three decades. They have been able to artificially construct, and then express in yeast, a protozoan gene that contributes to such resistance. And it was no smal...