Tag: "reaching" at biology news
Chemistry of alcoholism, vitamin C and stress addiction antibodies, futurefoods, preventing brain cell death, children's environmental health risks
...ll be explored, including: - Stopping cocaine from reaching
its target, the central nervous system, byusing the immune system to create specific antibodies against the drug'saddictive properties and reduce the effects of overdoses. Currently, no proven medication exists to treat cocaineaddiction. (See ...
Mercury can jump barrier that keeps toxins out of brain
...impermeable membranethat prevents most toxins from reaching
the brain. They also say this is thefirst study concerning mercury levels in fish brains (as opposed to levelsaccumulated in other body areas) and the first time it has been established thatmercury can enter fish brains through sensory receptors and ...
Diet and cancer prevention: a sampler of story ideas for '5-a-Day for Better Health Week'
... "Members of the population with least evidence of reaching
the 5-a-Day goalnationally are those with low socioeconomic status, according to nationalsurveys," Beresford says. "The blue-collar population is important to study,because our first study, with white-collar workers, did not allow us todetermine whet...
Hurricane Floyd signal of a new weather era?
...ticfield, which affects the amount of solar energy reaching
the Earth and tends tochange on a 20-27 year cycle. What is far more certain, he said, is the implication of the trend onceit's clearly underway. Among other things, it means that East Coast and Gulf Coast cities arein for at least 15...
USGS studies wildfire ecology in the western United States
..., says Stephenson, is that the research message is reaching
managers. He has studied the effects of different forest restoration measures including prescribed burning and mechanical thinning of trees. Unlike some other forest systems, Stephenson says, sequoia groves respond extremely well to prescribed burnin...
As Hurricane Floyd moves up the Atlantic Coast . . . .
...ontinue to rise. USGS crews have been hampered in reaching
stream measurementsites due to flooded roads, toppled trees and power lines, and road blocks asutility crews work to restore power. The most severe flooding in South Carolina occurred in the WaccamawRiver basin. In the area near Longs, South...
Are reintroduced wolves eating too many baby moose?
... generally discouraged, and in remote areas, where reaching
the animals is difficult....
USGS designs fishway for Little Falls Dam
... by the dam at Little Falls prevents the fish from reaching
about 10miles of historical prime breeding and spawning habitat above the dam. Theinability of the fish to traverse the dam may have contributed to the decline ofthe American shad during the last several decades. A noticeable recovery of theshad popu...
Heart cells closely control their own oxygen supply
... to closely control theamount of oxygen-rich blood reaching
the cells. The results stem from acollaborative pr...rs." The optimal oxygen concentration in the blood reaching
myocytes is about 6percent, the study reveals, and the permissible window is quite narrow - onlyabou...
Errant nerve cells risk a clockwork death
... as mammals, axons may grow for up to aweek before reaching
their target. If they make an error early on and are notprogrammed to die quickly, they might wander all over the place and eventuallyfind some alternate target that really creates a messed up neural circuit." The researchers named the new intermedi...
Choice of sex in animal breeding? Excess of male progeny from males carrying mouse responder transgene on Y chromosome
...ng it, resulting in an advantage of Tcr sperm in reaching
the eggs, and in distortion of the transmission ratio. The transmission ratio distortion phenomenon is associated with the t complex, a large region of chromosome 17 which exists in two different forms in wild mouse populations. Transmission ratio di...
Monsanto's modified soya beans don't agree with the heat
... "In the years we saw the problems, the soils were reaching
40 to 50 °C," says Vencill. His team replica...the Monsanto plants appeared stunted. And in soils reaching
45°C, the differences were marked (see Figure). Vencill described the findings at a meeting of t...
License to kill: development of killer T cells observable
...he researchersinfected the mice with a virus. Upon reaching
full maturity, almost all of the cells lost their greentag-essentially revealing themselves by becoming invisible. Why the green light goes out in the mature T cells is not clear but it could be a by-product ofother changes occurring inside the diff...
Feeding the world by cleaning the air: study ties heavy regional haze to reductions in China's crop production
...s solar radiation, reducing the amount of sunlight reaching
key rice and winter wheat crops. That decreas...cant amount of haze that reduces the sunlight reaching
the surface by at least five percent, and perhaps as much as 30 percent. The optimal yields of ...
ESL classes may help deliver public health messages
... "The ESL environment presents an ideal avenue for reaching
immigrants and others with limited English profici..." said Elder. "They also demonstrate a method of reaching
a population that does not traditionally have access to public health messages due to activities tha...
Hopkins researchers identify neurologic problem associated with motor disorders in Huntington's disease
...rrects small errors in movement. "If you're reaching
for a glass of water, for example, the brain uses visual and other cues to constantly provide feedback to correct for errors. If everything functions properly, you end up with a glass in your hand and no spills," explains Maurice A. Smith, a doctora...
Too large portions encourage overeating by preschoolers
...gnoring internal hunger cues has very early roots, reaching
back to the preschool period. Portion control in our overfed society is as important for preschoolers as it is for adults, Rolls adds. The study is detailed in a paper, "Serving Portion Size Influences 5-year-old But Not 3-year-old Children's Foo...
Nicotine may have another side effect: heavy drinking
...cigarette smokingis absorbed into the body. After reaching
the brain, nicotine activates a group of proteins called nicotinicreceptors. These proteins, located on the surface of certain brain cells, normally regulate a number ofphysiological functions, some of which may contribute to aspects of reinforcemen...
Stream size major factor in nitrogen reaching the Gulf of Mexico
...re large differences in the percentage of nitrogen reaching
the Gulf, depending on the relation of the locatio...shed. The study finds that the rates of nitrogen reaching
the Gulf from upstream areas near large rivers in such states as Ohio and Minnesota are much higher ...
University of Colorado salmon study spawns new insight into human brain aging
...s, preventing toxins produced by dead neurons from reaching
healthy neurons." A paper on the subject authored by Maldonado, Jones and CU-Boulder biology Professor David Norris is being published in the March 10 issue of Brain Research, one of the world's premier neurological journals. Supported by the Nation...
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