Tag: "animals" at biology news

Stronger Evidence That Global Climate Change Can Reduce The Variety Of Life

... and downs inbiodiversity in a particular group of animals through 11 complete periodsof drastic global climate change," said Dr. Thomas M. Cronin, researchgeologist with the U.S. Geological Survey. "The rise and fall in thenumber of species of ostracodes during 11 glacial cycles suggests that theeffects of...

Fund Aims To Repay Developing Nations For Valuable Genes

...developingcountries in hopes of finding plants and animals that might yield new informationfor basic research and have future commercial value. In many cases thesehave been wild plants carrying useful agricultural traits to be bred intotheir domesticated cousins. In more recent years, with the growth of bio...

Overweight Cats Risk Disease And Premature Death, Cornell Study Finds

...so reviewed veterinarians' medical records for the animals in the first survey. Among the findings: Overw...ebred cats, such as Siamese and Burmese, are thin animals to begin with. Cats eating some prescription diets for conditions other than weight are more likely...

Scientists Urge Further Study Of Alarming Coral Reef Decline

...mones, belong to thephylum Cnidaria. They are tiny animals that use their tentaclesto catch food particles fl...ce attached to the chalky white skeleton, the tiny animals arecalled polyps. The corals provide critical habitats for a multitude ofother aquatic animals...

Herpes-Based Gene Therapy Is Key To Promising Liver Tumor Vaccine

...r. In a study withlaboratory rats, the majority of animals injected with thevaccine were cancer-free, while similar animals that did notreceive the vaccine typically had dozens of tumors. The work wasreported in a recent iss...

Herpes-Based Gene Therapy Is Key To Promising Liver Tumor Vaccine

.... In a study with laboratory rats, the majority of animals injected with the vaccine were cancer-free, while similar animals that did not receive the vaccine typically had dozens of tumors. The work was reported in a recent i...

Virus May Be Linked To Obesity -- Early Findings Hint At Relationship

A virus that can cause obesity in animals may belinked to some cases of obesity in humans, r... Dhurandhar and Atkinson next injected laboratory animals with aform of adenovirus known to affect humans, Ad-36, which resulted inobesity. "A parado...

Isle Royale Moose Continue Decline

... when wolves had reduced the moose herd to 700-800 animals back in the 1970s. Under the best conditions, mountain ash, aspen, and willow are the favored browse species of moose, but when those species are not available, moose will turn to balsam fir and other less nutritious species. Peterson says the reduct...

New Vaccine Blocks Viral Entry In Cattle, May Have Implications For Human Vaccines

...Immunodeficiency Virus from individuals with AIDS, animals and humans do not eliminate herpes viruses once th...ns. "When you think about it, most viruses enter animals and people through mucous membranes," Letchworth says. "A few viruses, such as rabies, get into the ...

Duke researchers find existing drugs can stop fungus that attacks AIDS patients

...They are now testing the most promising compoundin animals afflicted with fungal infections. In the May... for fungal growth at two other conditionsfound in animals and people: a high pH and high carbon dioxide environment. "This finding indicates that calcin...

First Planned Release Of Captive Lemurs In Madagascar Wilds Expected In Fall

...-bred black and white ruffed lemurs, descendantsof animals originally removed from Madagascar to conserve the...88 to coordinate conservation efforts for Malagasy animals there andabroad. Its activities include training Malagasy students, researchers andtechnicians. It a...

Scientists Use Magnetic Field As Alternative To Space-Based Zero Gravity

...space missions for observing how living plants and animals develop in alow-gravity environment. The Brown s...ntists are unsure of the exact impacton plants and animals examined under the MFGL technique. In the study, themagnetic field caused changes in the early devel...

Jefferson Scientists Discover Mechanism Of Viral Link To Disease Commonly Associated With Asbestos

...ther researchers had shown the presence of SV40 in animals and in some cases, human. But no one knew if the virus played a direct role in causing disease. Giordano’s team’s discovery of a potential mechanism for some cases of disease development strengthens the argument for the virus. ...

Yale Breakthrough In Destroying Drug-Resistant Bacteria Focuses On Thwarting Genes That Cause Resistance

...arget bacteria. Then the method must be tested in animals andhumans. It is a relatively simple matter to design the EGS sequence itself, headded,because the methods are "all pretty well worked out." In fact, the specific EGSthat will restore sensitivity to a specific drug can be designed in a matt...

Evolution Re-Sculpted Animal Limbs By Genetic Switches Once Thought Too Drastic For Survival

...ental, survivable changesthat accrued over eons as animals gradually evolved improved body parts. Today'sfind...p and lobsters and their relatives. "If you watch, animals with maxillipeds can feed in a different way," Patelsaid. "They can walk and hold and move their foo...

Where Fossils Fear To Tread: Scientists Follow Genes To An Ancient Ancestor

...r animal divisions we know from fossils, primitive animals were inventing the genes that would make it all po...ay - using genes preserved in and common to modern animals - to look past the fossil record to our most distant common ancestors. Writing this week (A...

Oak Regeneration In Some Ohio Forests Is Failing, Researchers Find

...re, possibly even to thepoint that some species of animals or plants could become locally extinct." This concern is a driving force behind McCarthy's study, which was partof the first phase of a larger project by the Northeastern Forest ExperimentStation of the United States Forest Service (USFS) in ...

No Link Seen Between Breast Cancer And Pesticides, PCB Exposure For General Population

...s have been shown to increase estrogen activity in animals and consequently have been linked to breast-cancer risk. Moysich said the study results suggest that environmental exposure to organochlorines is related to the risk of breast cancer only in postmenopausal women who have never breast-fed, and ...

One Chimp Can Perceive States Of Awareness In Others

...with a tranquilizer dart was the threat.All of the animals in the study had previously been sedated by a dart...threat. In half of the test conditions, both animals in the pair were able towatch as either the grapes were hidden in the cage, or a researcher withthe ...

Researchers Discover First Animal Strain Of Hepatitis E Virus

...er species of domesticated and wild animals in a number of countries. Similarly, such antibodies have been found in most human populations, even where hepatitis E disease does not occur. Furthermore, the degree of genetic divergence o...

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