Prenatal stress keeps infants, toddlers up at night, study says
...w moms and dads for whom a soundly sleeping child spells out well-deserved respite it may carry even more value for babies. For them, sleep ranks as one of the most highly regarded indexes of healthy development, and plays a critical role in consolidating memory and facilitating learning, regulating metab...Hepatitis C helicase unwinds DNA in a spring-loaded, 3-step process
...ain of nucleic acids the DNA or RNA molecule that spells out the organisms genetic code so that another enzyme, a polymerase, can faithfully copy each nucleotide in the code. Researchers at the University of Illinois, Yale University and the Howard Hughes Medical Institute have shed new light on how the...Nanotechnology requires immediate changes in EPA
...nd program evaluation. In addition, Davies' report spells out more than 25 steps that EPA, Congress, the president, the U.S. National Nanotechnology Initiative and the nanotechnology industry as a whole should take to improve the oversight of nanotechnology. Among the recommendations made are the following:......d for tissue maintenance. But an aberrant polycomb spells trouble. In mice where polycomb proteins have been genetically disabled, van Lohuizen has seen that the cells become invasive and trigger cancerous growth. This may be why gliomas are such lethal tumours, because these stem cells become highly migrat...New study links western wildfires to Atlantic Ocean surface temperatures
...e North Atlantic appears to be correlated with dry spells we have seen in the West since the late 1990s," said Veblen. "If the trend continues for the next 60 years or so as it has in the past, the degree of fire occurrence in the West could be unprecedented compared to anything in recent memory." Althou...Sperm proteome gives 'tantalizing glimpse' towards the origin of sex
... discovering that as well as carrying the DNA that spells out the male's contribution to a new life, sperm carries RNA and proteins which have a direct influence on fertilisation and embryo development. Professor Geoff Parker, Derby Professor of Zoology at the University of Liverpool, said: "This paper pr...Binghamton University researcher makes major biofilm dispersion breakthrough
...o several centimeters thick and cover large areas, spells all kinds of big trouble. Biofilms, for instance, fog your contacts, help to rot your teeth, and cause a host of diseases from cystic fibrosis and ulcers to colitis and ear infections. They are a leading cause of hospital infections and non-healing...Weizmann Institute scientists discover a molecular security mechanism for keeping mutations in check
...nable to continue copying. A stoppage of this sort spells death for the cell. But not all damage to DNA is critical and, to avoid the wholesale death of cells, a second type of DNA polymerase, one that is more careless and can improvise when it hits a snag, evolved in the cell. Error-prone DNA repair, as it...Gene variation increases SIDS risk in African Americans
...ion that babies sleeping on their bellies had more spells of interrupted breathing or apnea. One of the immediate consequences of apnea is a slight increase in acid levels inside oxygen-hungry muscle cells. When the researchers compared cells with the Y1103 mutation against normal cells in a slightly more ...Cancer scientists call for a large-scale human epigenome project
...benefit of human health," he added. The new report spells out the needs, guidelines and expectations of a Human Epigenome Project (HEP), and describes the developing technologies that make the project currently feasible. "One of the most exciting points to emerge from the meeting is that the technology need...Discovery links blood cell defect to common lung disorder, leads to novel treatment
...under minimal exertion, fatigue, chest pain, dizzy spells and fainting. "Many people suffer pulmonary hypertension as a complicating factor of other chronic disease," said study senior author Jonathan Stamler, M.D. "In such cases, the lung condition is often predictive of poorer outcomes. For others, pulmon......ressively." When cancer spreads to bone, it often spells dire consequences for women. Being able to predict which tumours might spread based on a genetic profile taken at the biopsy stage means clinicians could treat women early, thereby radically improving outcomes. The three other PIs in the program, ea...A giant sucking sound for sea turtles
...any large juveniles and adults from the population spells potential disaster, according to WCS scientists. The largest remaining green turtle population in the Atlantic lives in this region, scientists believe. "Green turtles cannot take this relentless pounding by the Nicaraguan sea turtle fishing industr......ave yet to solve. "A double-whammy of intense cold spells around 20,000 and 10,500 years ago had already taken their toll on these striking beasts. The last of the giant deer, squeezed out of Europe, seem to have taken refuge in the southern Ural mountains near the Black Sea. The next question we need to ad...