Men from early middle ages were nearly as tall as modern people
...ight is also sensitive to the degree of inequality between populations." The study appears in a recent issue of the journal Social Science History. Steckel analyzed skeletal data from 30 previous studies. The bones had been excavated from burial sites in northern European countries, including Iceland, Sweden...Chernobyl study: Risk of thyroid cancer rises with radiation dose
...its kind to establish a dose-response relationship between radiation dose from Chernobyl and thyroid cancer,"... his treatment, an informal exchange program began between Fred Hutchinson and the National Center for Hematology in Moscow, whose director approached the cent...DHA-rich diet protects brain from Alzheimer's damage, UCLA study shows
...mer's damage to synapses the chemical connections between brain cells that enable memory and learning. By using mice bred with genetic mutations that cause the brain lesions linked to advanced Alzheimer's disease, the UCLA researchers created a mouse model to test environmental risk factors for the disor...Study reveals first genetic step necessary for prostate cancer growth
...b gene in prostate cells. The important difference between these mice and the standard gene knock-out strateg...e cancer. Greenberg said that tests to distinguish between men who only have Rb mutations and those who have acquired additional genetic defects could help doc...Stuck on you: Scientists lay bare secrets of bacterial attachment proteins
...r DAF. "Cell adhesion is one of the first contacts between bacteria and host," said Dr Matthews. "Knowing the architecture of the bacteria target allows us to conceive ways to disrupt this adhesion, which may lead to potential therapeutic intervention." Dr Matthews' team at Imperial used nuclear magnetic re......d progression -- which require the accumulation of between 4 to 6 genetic mutations. Skin cancer is the most common cancer for both men and women. John DiGiovanni and colleagues, at The University of Texas MD Anderson Cancer Center, now show that a protein called Stat3 is required for skin cancer initiation...JCI table of contents: 1 September, 2004
...d progression -- which require the accumulation of between 4 to 6 genetic mutations. Skin cancer is the most .... This study further demonstrates that competition between the liver and lymph nodes as the site of primary immune cell activation plays a major role in determ...Modest climate change could lead to substantially more and larger fires
...searchers have developed statistical relationships between observed climate and an 85-year record of fire ext...rio - a 1.6 degree increase in summer temperatures between 2070 and 2100 compared to temperatures from 1970 to 2000 -the area burned will increase by 1.4 to fi...NASA satellites detect 'glow' of plankton in black waters
...r monitoring and predicting such events. The link between coastal runoff and black water events is an example of how land and ocean ecosystems are linked together. "Coastal and land managers over large areas need to work together, to alleviate more black water events from taking place in the future," said M...Analysis of biological clock may lead to greater understanding of human disease
... greatest fragility. They found that the trade-off between robustness and fragility is largely determined by the architecture of the regulatory system, and that the design for precision at keeping accurate time may be at the expense of the fragility of the global machinery. They also discovered that sensitiv...Mouse study shows NPAS3 and NPAS1 genes may be linked to psychosis
...ght said. "It's difficult to draw direct parallels between the simple behavioral abnormalities observed in the mutant mice and the complex, delusional cognitive defects that characterize human schizophrenia. Our results may turn out to have nothing to do with schizophrenia, or they could point to something m...A room with a view for the International Space Station: Completion of the cupola observation module
...ect is the outcome of a bilateral barter agreement between the European Space Agency and NASA, under which ES...hich began with the signing of the cupola contract between ESA and Alenia Spazio on 8 February 1999. Under the contract, Alenia Spazio acted as prime contracto...Humans march to a faster genetic 'drummer' than primates, UC Riverside research says
... the DNA, or the code of life, is exactly the same between humans and chimpanzees. So the key to what it mean...human/chimpanzee genetic distance larger than that between the chimpanzee and gorilla." Metaphorically speaking, Dugaiczyk said, "Humans and primates march to...Probing the surface of white blood cells to enhance immune system medicine
...od into infected tissues. The process of squeezing between the cells lining blood vessel walls and into the s...illi are dynamic structures that rapidly alternate between states of assembly and disassembly. This means that if researchers were able to biochemically disse...Advances in tumor angiogenesis Dendritic cells co-opted to the dark side
... For tumors to survive there needs to be a balance between factors that promote tumor growth such as angiogen...s is that there is indeed a tremendous interaction between these processes," says Coukos. VEGF-A is the key for the transformation of dendritic cells, accordi...Scientists fear new Ebola outbreak may explain sudden gorilla disappearance
...on of apes in the Congo declined by more than half between 1983 and 2000....One-hundred-fifty year old lessons of John Snow still relevant today
...zed that disease-causing agents didn't distinguish between the rich and poor. Many at that time believed cholera was a disease that only attacked the poor. "He practiced on a diverse population, from the poor and indigent to the well-to-do," Rachman said. "His sense of cholera as a waterborne agent that coul...Environmental costs of home construction lower with wise choice, reuse of building materials
...undations. Concrete products, for example, make up between 72 and 78 percent of the mass of the hypothetical homes that are not concrete-frame. These materials are energy-intensive on their own and make up the largest percentage of the energy required for home construction. The report offers many suggestion...Streptococcus infects humans by thwarting blood clotting
..., there was little difference in their infectivity between normal and the transgenic mice. Such studies have ... the findings highlight the evolutionary arms race between bacteria and humans. "Clearly, if we could mutate our plasminogen so it still worked, yet was resist......s have captured a glimpse of the endless arms race between infectious agents and the human immune system in a..., the findings highlight an evolutionary arms race between bacteria and humans. "Clearly, if we could mutate our plasminogen so it still worked, yet was resist...