Tag: "animals" at biology news
Dangerous Chemical Combination Presents Possible Scenario For Gulf War Illnesses
... chemicals caused neurologicaldeficits in the test animals
similar to those reported by some Gulf Warveterans...llas. Chickens were selected over rodents as test animals
because their susceptibilityto neurotoxic chemicals more closely resembles that of humans, the scien...
Duke Researchers Discover Candidate Susceptibility Gene For Autoimmune Disease
...ary Gilkeson, Blackshear's teamdetermined that the animals
had characteristic antibodies against theirown tis...immune response. By comparingtheir mice with other animals
that had similar clinical signs, the researchershypothesized the animals
were producing too much of ...
University of Cincinnati Biologists Find First Terrestrial Ecosystem That Survives Without Sun's Energy
...d web. "All the data show quite clearly that these animals
are basedon chemoautotrophic carbon production. They don't eat any foodthat comes from the surface," said Sarbu. The University of Cincinnati researchers also analyzed theisotope ratios of similar organisms living in other caves and ina nearby well. ...
DNA Techniques Allow Scientists To Become Pollution Detectives.
... the UFscientists found. "Both entities, human and animals
were polluting, but wildlifecauses a significant amount of pollution in Apalachicola Bay,"Tamplin said. From their testing in the bay, UF scientists have developed adatabase of more than 1,000 E. coli strains that will serve as amodel for testing in ...
Humble Pocket Gophers Shed Light On The Genetic Fortitude Of Cheetahs
.... It's like having lots of clones of yourself." If animals
within a population are similar to each other immu...sh poorly between self and nonself. The proof: The animals
accept skin grafts--in effect, organ transplants--from each other. "No one had found another wild an...
Researchers Find Possible New Route to Making Cancer Cells Vulnerable
... multidrug resistance pump (MDR) isfound in yeast, animals
and people, Heitman said. The MDR pump is a large protein that acts like a pore in the cell surface.It selectively pumps out toxic chemicals that find their way inside thecell. Normally, the MDR pump protects the cell against poisons, but r...
Hawaiian Whales Show 'No Overt Response' To Sounds Of ATOC Simulation
...level was "ramped up" over five minutes to allow animals
a chance to move away. But if any Hawaiian whal... the world -- not only to analyze vocalizations of animals
of all kinds, but also seismic events, including underwater earthquakes as well as tornadoes and eve...
A Genetic Skeleton Key
...enesalready identified in mice and otherlaboratory animals
are thought tohave analogs that cause cancer inhumans. This animal research cannow be translated far more quicklyinto human gene sequences, andultimately, it is hoped, into treat-mentsand cures." Pevzner and his Russian collabora-tors-- Mikhail S. Ge...
Hibernation: The Opposite of Sleep?
... If hibernation is about conserving energy, why do animals
waste crucial reserves bringing their body tempera...heir memories? Barnes has a different hypothesis: animals
rewarm themselves so they can rest. "Cold brains cannot sleep. Although torpor may stave offthe need...
Human-Like Ability, Categorical Perception, Found In Insects
ITHACA, N.Y. -- Humans and other "higher" animals
aren't so special when it comes to making life-or-...ke. "Crickets -- and probably many other types of animals
-- have found a simple way to build a system that responds quickly," said Robert A. Wyttenbach, the ...
Duke Primate Center Sets October Expedition To Find 'Juliet'
... endangered animals, the largest living lemurs.The animals
are currently heavily hunted for food in their hom...Romeoand another breeding pair. Once captured, the animals
will be temporarilyhoused at the Ivoloina Zoological Park in Madagascar, where they will begradually...
Discovery Of Cell Sites May Shed Light On How Bodily Systems Interact
...iated with declines in growth-hormoneproduction in animals
with bacterial infections. The findings included two surprises and may help scientists understand howthe immune system harnesses other physiological systems to regulate animalgrowth and disease. First, the receptors were found on cells in the pituit...
'Juliet' Evades Primate Center Expedition
...seek to establish a captive breeding colony of the animals
beforethey go extinct from hunting and habitat des...ramatically showed how much pressurethe endangered animals
are under. "Although we saw groups of animals
on five of our eight days in theforest, the instant t...
Behemoth Animals May Follow Same Extinction Patterns
...y be by the handof humans, but these elephant-like animals
also suffered a gradual declinein species number o...the elephants." Cuffey notes that both groups of animals
were the largest creatures of theirtimes and probably had few natural enemies. The cause of their de...
Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
...out how ice dynamics affect zooplankton and other animals
in the ocean's topmost waters (the upper 100 meter...on of Oceanography, will track the ecology of tiny animals
-- zooplankton (floating) and micronekton (swimming) -- over one year, to capture how dramatic chang...
Scientists Identify Retrovirus-Like Components In Corn Genome
...percentage of genetic material in other plants and animals
with large genomes. "The question we now have is '...exists, scientists may be able to apply it to help animals
and humans fight retroviruses, which cause a number of devastating illnesses such as some forms of c...
Scientists Discover Smallest Frog
...est of the tetrapods, a grouping that includes all animals
with backbones except fishes. Scientists S. Blair Hedges of Penn State and his Cuban colleagues discovered the tiny orange-striped black frog living under leaf litter and among the roots of ferns in a humid rainforest on the western slope of ...
Selenium Supplements Can Reduce Cancer Rates
...ornell, colleagues of Combs' reported in 1995 that animals
fed diets high in selenium had 50 percent fewer tumors than those fed diets of average selenium content. Combs is not recommending the use of oral supplements of selenium; however, he does emphasize the importance of consuming low-fat diets that are ...
Bottom-up Ecological Processes Better For Clear Waters, Study Finds
...ughfood webs in general and of how many plants and animals
can be found ateach level of the web. The way energy moves through food webs plays a keyrole in determining fisheries production in lakes and oceans. In most lakes around the world, the most common pollutants causing murkywater are actually nutrient...
Birds Deal With "Cocktail Party Effect"
...ve Psychology. They mayhelp scientists analyze how animals
and people accomplish thefeat and draw further par...ts and sounds into an order, called a serialorder, animals
and people are able to navigate theirenvironments. Forexample, Hulse originally worked with rats, st...
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