Infant rats eagerly accept high concentrations of alcohol upon first exposure
...lso given medicinally to infants in some cultures, placed in the fussy infant's bottle. In addition, exposure to alcohol's odor is likely when parents drink; it is known that this makes alcohol's odor more or less attractive to these children, depending on the circumstances of the drinking. The danger in ...Newcastle scientists get UK's first stem cell license
...res the nucleus from a skin cell to be removed and placed into an unfertilized egg. This egg is then stimulated to divide until a group of cells form. Stem cells are then isolated from this group and have the potential to grow into any cell type in the body. They could be directed to grow into, say, liver c...Full promise of genomics in disease research yet to be realized
...can Academy of Microbiology. Genomic studies have placed a comprehensive understanding of pathogenesis in sight, but much work lies ahead, according to the report, The Genomics of Disease-Causing Organisms: Mapping a Strategy for Discovery and Defense. The report is based on the findings of a colloquium c...Parasitic cowbirds thrive with a less ruthless strategy than cuckoos
...n is, why don't cowbirds kill their nestmates?" He placed ads in local newspapers in search of backyard nest...the other 10 nests, after the cowbird hatched they placed two phoebe hatchlings of the same age or a day older. (Phoebe eggs hatch about five days later than ...Genes may be central to cocaine addiction
...d biological effects. In one behavioral test, they placed the knockout mice in one of two linked chambers after cocaine administration. One was a "comfortable" darkened chamber with nesting material, and the other was an "uncomfortable" bare, white, brightly lit chamber. The researchers found that the mice ...Oldest evidence for processing of wild cereals: starch grains from barley, wheat, on grinding stone
...ce of a grinding stone. Then, the entire stone is placed in a sonicator, a water bath in which sound waves vibrate the artifact until smaller particles float free. Each microscopic starch grain is compared to starch grains from hundreds of species maintained in a modern reference collection of plants. "W...Symptoms of foodborne botulism may help predict fatality
...otected." Patients should receive antitoxin and be placed in intensive care as soon as possible, he added. In an accompanying editorial commentary, other CDC researchers suggest additional preparations necessary for responding to a botulism outbreak: sufficient supplies of antitoxin and other medical suppli...Protein vaccine fully protects mice from lethal aerosol challenge with ricin toxin
...o maintain its structural integrity when heated or placed in solution, resulting in clumping and separation. The safety and efficacy of a vaccine depend upon the stability of its formulation. The new vaccine candidate, called RTA 1-33/44-198, is a fragment of the ricin A-chain that has been modified to...New discovery may help transplants survive
... cause devastating vision loss. If transplants are placed in eyes suffering from inflammation (caused by a full-blown immune response to the original injury or disease), rejection rates go well over 50 percent, regardless of the therapy employed. "We are trying to understand what is happening at the molecul...DFG presents the 2004 MAK and BAT value lists
...assified as carcinogenic in humans and, therefore, placed in carcinogenicity category 1. Another heavy metal... as a suspected carcinogenic working substance was placed in carcinogenicity category 3B, and the previous MAK value of 2 mg/m 3 was suspended because the me...Environment influences learning: U of T study
...heir behaviour accordingly. The researchers first placed worms on agar plates treated with a salt medium, exposed them to the smell of benzaldehyde and trained them to associate the smell with starvation. If a worm was returned to the salt medium where it had been trained, it showed a distaste for the benz...What are babies thinking before they start talking?
...nd to be novel. Infants were shown an object being placed inside a container that fit either tightly or loos...ely until the time they looked at the object being placed inside the container decreased. They were then shown new tight and loose fit relationships. The rese...West Nile takes its toll on rare bird
...ry band-aid solution. When a species is placed on an endangered or threatened list it is often because it is already on the brink of disappearing and at that point it becomes crisis management and a fight to hang on to the species as long as possible, said Aldridge. "We have a very limited unders...Scientists identify molecular link driving spread of skin cancer
...gs of mice. Furthermore, when melanoma cells were placed under the skin of mice treated with A5G27 synthetic peptides, the cells formed a tumor that was smaller in size and lacking in ample growth of novel blood vessels, compared to the tumors that developed in mice that received no synthetic peptide treat...Oxygen sensing in worms may hold key to healthy blood pressure in humans
...in area and about 100 microns thick) that could be placed over Petri dishes containing nematodes feeding on bacteria. The chamber allowed the researchers to create precisely controlled gradients of oxygen, which for this study ranged from 0 percent to 21 percent, the concentration of oxygen in ambient air. ...Sleepless over Seattle: Migrating songbirds forgo sleep but keep their wits
...chers tracked the birds' movement in the cages and placed sensors on their brains to monitor their sleep patterns across the seasons. During the times the birds would normally be migrating, they slept about a third as much as usual and entered more quickly into REM sleep, the stage of sleep typically associ...Funding to commercialize technologies of UC San Diego engineers tops $1.2 million
... by semiconductors using engineered nanostructures placed on the surface of the semiconductor. The approach leads to a substantial increase in optical absorption, even in silicon-based semiconductors. Now, Yu plans to adapt this technology to thin-film photovoltaic solar cells and other semiconductor photod...New study in moths shows insects not entirely ruled by instinct
...f the National Academy of Sciences. The electrodes placed in the moths' brains registered the activity of neurons. Electrodes were also placed on feeding muscles to monitor the activity of the proboscis a long tube that a moth uses for feedin...U of T microbiologists achieve results with pattern recognition software
... book from Amazon.com," said Hughes. "After you've placed an order, they use the information they've gathered to predict your likes and dislikes. The next time you log onto the computer, they extrapolate and suggest other books you might enjoy. They also could use the data to predict other things for examp...In the obese, metabolic adaptations post-weight loss lead to regaining of shed pounds
...ty (established obesity, EO). These rats were then placed on a low fat, energy restricted diet that would produce a 10-15 percent loss in body weight during two weeks of caloric restriction and again underwent metabolic examination (weight loss, WL). Weight loss was targeted to achieve a 10-15 percent loss ...