Tag: "animals" at biology news
No Ode To Joy From Food Scientists Over New Edition
...athogenicbacteria, regardless of where or when the animals
were raised. Joy : It is okay to use raw eggs in no-cook recipes. Fact : It is not safe to use raw eggs in any recipe that does not includethorough cooking. Joy : A cooking temperature of 155 F is high enough to kill Escherchia coliO1...
Florida Or Bust? Older Lab Rats Seek Heat To Fight Infection, UD Researchers Report
...-inducting component ofbacteria, into a half-dozen animals
aged 3-4 months, as well as an equal numberof olde...rstand the physiologicalmechanisms that give older animals
this ability to behaviorally regulate fever."The immune systems of young versus older rats may funct...
Duke Researchers Genetically Engineer Mice To Block Heart Enlargement
... heart in humans. "We have shown in living animals
that the final, common pathway to heartenlargement in response to pressure overload on the heart is through the proteinGq, which initiates the cascade of events inside the cell that lead to anenlarged heart," said Walter J. Koch, an assistant profess...
UPMC Reports On New Liver Assist Device
... the Excorp device against standardtreatment. The animals
were divided into three treatment groups, one receivingstandard intensive care attention, and the remaining two groups being placed onthe bio-artificial liver assist device at either 16-18 hours or 24-26 hoursafter liver failure was initiated. ...
Weary Tibetan People Find Supporting Hand In ASU Graduate Student
...all in the area's history covered grasses eaten by animals
resulting in their starvation and frostbitten herd...a few years as families that had lost all of their animals
moved next to a local monastery to beg from occasional pilgrims, he said. One family had been there ...
Chocolate Treats Can Land Racehorse Trainers In Trouble
...found in the horses he tested would have given the animals
a real advantage over other horses. Sams began th...orses eliminate drugs, andby extension the way all animals
eliminate drugs, Sams said. While caffeine is a central nervous system stimulant in horses, a...
Despite Odds, Little Known Grauer's Gorillas Persist In Central Africa
...ICCN), estimated a population of 16,900 individual animals
many more thanexpected since preliminary surveys showed a dramatic upswing of poaching outside of protectedareas. In 1960, Schaller put the total at 5,000-15,000. "Much to our surprise we found many more gorillas than expected," said Jefferson Hall ...
New Clue To apoE Function
...hat normally makeapoE in the brain. The transgenic animals
then were crossed with mice thatlacked the genes for mouse apoE. Eventually, the researchers obtained litters oftwo types. One contained pups that made no apoE plus pups that made only humanapoE3. The other contained pups that made no apoE plus pups ...
Invasive Weeds Pose Major Threat To American Landscape
...ort said. As the native plant species decline, the animals
thatdepend on them for food and habitat may also be jeopardized. The book was developed by many of the federal agencies and others with weedmanagement responsibilities. These agencies are part of the Federal InteragencyCommittee for the Manageme...
Poison-Eating Bugs Strike Gold
...xic, salty environments in which few other aquatic animals
and plants can survive. The metabolic versatility of bacteria, which carry out most of the "environmental services" in cleaning up the contaminants, can be harnessed in engineered situations to degrade and detoxify waste effluents. "Using mo...
Yerkes Primate Research Center Of Emory University Reseachers Find Hunger Regulated By Novel Neurotransmitter
...ys Dr. Lambert. "They are more dependent than most animals
on social cuesand timetables." The CART studies show potential for more than just obesity studies. Dr. Kuhar and hiscolleagues believe the family of CART peptides can still reveal much about the mechanisms ofaddiction, and possibly even stress-relat...
Social Stress Shortens Lives Of Monkeys With AIDS
...ct with other monkeys. However, while half of the animals
were always grouped with the same individuals, in ...onkeys had the worst blood-test results. "Overall, animals
in unstable associations did worse than did animals
in stable associations. However, early on, it w...
Bison Grazing Increases Biodiversity In Grasslands
...ity due to frequent burning was reversed by bison, animals
that Collins calls keystone herbivores in North American grasslands. In North American tallgrass prairies, diversity and productivity are controlled to a large extent by nitrogen availability, Collins explains. Historically, nitrogen availability in...
Inhibitor Shows Potential To Protect Infant Brain
...zed the BAF-treated rats. "On average, the control animals
lost about 50 percent of the tissue in these regions, whereas the BAF-treated animals
lost only about 20 percent," Holtzman says. Administering BAF three hours after the procedure was j...
Do Termites Use
... Henderson admits that it may be possible for some animals
tomake naphthalene, he points out that there is no direct evidence of naphthalenebeing made by any animal or microorganism. Since termites use soil, masticatedwood, and excrement to make their nests, one possible source is in the processedfood of t...
New Study Shows White Males Have More Receptors For Patent Blood-Vessel Contracting Substance
...g of ET-1 to its receptor sites have been shown in animals
to beuseful in treating congestive heart failure and pulmonary hypertension. Inhumans, these blocking drugs, called antagonists, have also proved important.Medical researchers have discovered that ETA receptor antagonists may be usefulas vasodilator ...
Study Shows Zebra Mussels Can Colonize Sand And Mud
...nsities of somezebra mussel colonies exceed 20,000 animals
per square meter. Berkman and his colleagues studied 200 kilometers of the Lake Erie floorfrom the New York-Pennsylvania border to the lakes western basin.They determined that by 1995, zebra mussels covered about 2,000 square kilometersof the ...
Composting Livestock Waste Provides Benefits
...iry barns. The Purdue dairy herd is made up of 400 animals
that produce about nine tons of manure solids a day. When the composting site is at capacity, there is room for 13 rows of composting material. Each row is approximately five feet high, 10 feet wide and 250 feet long. The rows are turned using a spec...
CAK Activation Of Plant Cell Cycle: Scientists Find Another Piece In The Jigsaw Puzzle To Help Explain Why Plants Do Not Develop Cancer Spontaneously
... produce the messenger RNA. These CAKs, known from animals
and fission yeasts, make contact to a particular part of a subunit of the RNA polymerase II complex. The activity of this part of the subunit plays a role in the regulation of the interaction of the RNA polymera...
Schmidt-Nielsen Autobiography Details Scientific Adventures
... the success of his life's work on the studyof how animals
adapt to environmental extremes that would seem impossible.For example, he and his colleagues discovered how camels go for months withoutwater by allowing their body temperatures to rise without sweating, andby tolerating extreme dehydration that wou...
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