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Cat in Biological News

World's rarest big cat gets a check-up

NEW YORK (October 30, 2008) The world's rarest big cat is alive and well. At least one of them, that is, according to researchers from the Wildlife Conservation Society (WCS) who captured and released a female Far Eastern leopard in Russia last week. The capture was made in Primors...

Let the cat keep chasing the mouse

This release is available in German . Leipzig. For the first time an international researcher team has developed a model, which identifies potential habitats and corridors for the European wildcat ( Felis silvestris silvestris ). Using Rheinland-Pfalz as an example, it was demonstrate...

Island monkeys do not recognize big cat calls

Monkeys living on an island without big cat predators do not show any particular alarm when recorded tiger growls are played to them, according to research by a UC Davis graduate student. The pig-tailed langurs do, however, flee in a hurry from the sound of human voices. "This contributes to a ...

Study links cat disease to flame retardants in furniture and to pet food

WASHINGTON, Aug. 15, 2007 A mysterious epidemic of thyroid disease among pet cats in the United States may be linked to exposure to dust shed from flame retardants in household carpeting, furniture, fabrics and pet food, scientists are reporting in a study scheduled for publication the Aug. 15 on...

Update on census of world's most endangered cat -- Female Amur leopard found dead

Following the April 18 announcement that only 25 to 34 of the Amur or Far Eastern leopard (Panthera pardus orientalis) remain in the wild, World Wildlife Fund says the number must now be revised because a female Amur leopard was killed. Anonymous tips led officers of two leopard anti-poaching sq...

Wild tigers need cat food

A landmark study by the Wildlife Conservation Society (WCS) and U.S. Geological Survey (USGS) says tigers living in one of India’s best-run national parks lose nearly a quarter of their population each year from poaching and natural mortality, yet their numbers remain stable due to a combination o...

UF scientist finds unexpected link between cat and human AIDS viruses

Emerging relationships between the two viruses could one day lead to a vaccine for human A University of Florida researcher has discovered an unexpected link between the viruses that cause feline and human AIDS: Cats vaccinated with an experimental strain of the human AIDS virus appear to be at ...

Novel Therapy Tested in Mice Could Chase Away Cat Allergies

A molecule designed to block cat allergies successfully prevented allergic reactions in laboratory mice, as well as in human cells in a test tube, University of California, Los Angeles (UCLA) researchers report in the April issue of Nature Medicine, available online now. In the future, the investig...

First jaguar photo taken at Smithsonian Research Station in Panama

...ed a jaguar on the island in 1983, but there have been very few sightings on Barro Colorado since. The jaguar, a solitary carnivore, is the largest cat in the Americas. Adult males can weigh more than 300 pounds. Strong swimmers, jaguars tend to live near water and often prefer rainforests and seasona...

Case Western Reserve University engineers hit pay dirt with clay mixture

...process used to make banana chips and coffee. Schiraldi says almost anyone can make the composites if they have pure clay in a form that resembles cat litter pellets, a blender and a $50,000 freeze dryer. The researcher bought his equipment with $75,000 he won in the 2005 North Coast Nanotechno...

Research supports toxoplasmosis link to schizophrenia

... - the chemical that relays messages in the brain controlling aspects of movement, cognition and behaviour. Toxoplasmosis, which is transmitted via cat faeces (found on unwashed vegetables) and raw or undercooked infected meat, is relatively common, with 10-20% of the UK population and 22% of the US p...

'Freaks' help scientist unravel nature and nurture

... while others occur because of environmental factors -- or both. Take, for example, two-headed animals. In one case, a genetic mutation may cause a cat to be born with two heads. In another, a lizard ends up with two heads because its mother laid her eggs in a compost heap that was too warm; the defec...

Dog owners more likely to share germs with pets by not washing hands than by sleeping with dog

...ght focus on the relationship between shared E. coli and the behaviors of cat owners. Not only is cat ownership higher than dog ownership in the United States, but cats also int...

College students find comfort in their pets during hard times

...ty recently found that many college students may also benefit from owning a cat or a dog. A survey of students at a large university and other adults i... those who owned dogs, but those who had feline friends also reported their cat helped keep them active. Likewise, 18 percent of college students and 1...

Molecules in the spotlight

...molecules studied are analogous to the active center in hemoproteins (haemoglobin, myoglobin). Structural evolution It is possible to follow a cat landing on its feel in "real time" using a camera with shutter times on the order of tens of milliseconds. To do the same with molecules, 100 000 mill...

Researchers document world's mammals in crisis

...ilus harrisii), after its global population declined by more than 60 percent in the last 10 years due to a fatal infectious facial cancer. The Fishing cat (Prionailurus viverrinus), found in Southeast Asia, was listed as endangered due to habitat loss in wetlands. Similarly, status of the Caspian Seal ( ...

The truth about cats and dogs

...recipe for success. According to the study, if the cat is adopted before the dog and if they are introduc... interviewing almost 200 pet owners who own both a cat and a dog, then videotaping and analyzing the anim...yed reported a positive relationship between their cat and dog. But it wasn't all sweetness and light ...

New book further supports controversial theory of 'Man the Hunted'

...s were preyed upon according to evidence that includes teeth marks on bones, talon marks on skulls and holes in a fossil cranium into which sabertooth cat fangs fit, says Sussman. The predation rate on savannah antelope and certain ground-living monkeys today is around 6 percent to 10 percent as well. ...

American Chemical Society's Weekly PressPac -- Aug. 6, 2008

...se endurance. Although analytical instruments have become more accurate, reliable, and capable over the years, catching cheaters remains a virtual cat and mouse game. One challenge is the use of custom-synthesized "designer" drugs, which are difficult to identify and test, according to the article. B...

Outdoor enthusiasts scaring off native carnivores in parks

... bobcats are both native carnivores. She also found more scat from the native gray fox and the non-native red fox in unvisited areas, and more dog and cat droppings in visited parks. Reed said she did not expect these findings. She and many other conservation biologists assumed that activities such as...

New fossil tells twisted tale of how flatfishes ended up with two eyes on one side of head

...concluded that it had a symmetrical skull. Examining the anatomy of Amphistium and Heteronectes with a diverse range of techniques (including cat scanning and chemical preparation, which dissolves the rock surrounding the fossil skeleton), Friedman discovered that both represent primitive flatfi...

Otters reveal their identity

...s often the case, the curse lies in the detail: Attempts to determine the population size of wild cats failed several years ago, because insufficient cat hair stuck to the adhesive strips that had been set up for the samples. In spite of such setbacks Simone Lampa is also still optimistic that in the fu...

The coming convergence

...e power in too few hands Increased vulnerability from overdependence on technology. Schmidt notes that even a routine technology such as the cat scan is the result of three wholly separate innovations started many decades ago which recently converged: the X-ray, the computer, and advances in me...

Study links low-frequency hearing to shape of the cochlea

...oach is illustrated by the cat, guinea pig and sea lion. The cochlea of the cat is longer than that of the guinea pig, but the guinea pig has a ratio of 7....s that of the guinea pig. But its radii ratio is 5.2, lower than either the cat or the guinea pig, and it cannot make out sounds below 180 Hz. (This limit ...

Nations and conservation groups seek plan to protect 'Ghost of the Himalayas'

... Beijing, China (March 6, 2008) Snow leopards the worlds most elusive big cat roam the high mountains across 12 Asian nations, from Afghanistan to Uzbekistan. Representatives from those countries, along with leading big cat experts, are expected in Beijing from March 9 11 to frame a multinational ...

Texas A&M testing oral contraceptives for animals

...The need is apparent: According to the American Humane Society, about 7 million dogs and cats are euthanized each year at animal shelters. One female cat can lead to the production of 420,000 offspring in her lifetime. In Texas, feral hogs have become a severe nuisance to farmers and ranchers, and th...

'Genetic corridors' are next step to saving tigers

...s scientific research, planning and implementing conservation actions, and working with local, national and international stakeholders to advance wild cat conservation. Panthera believes that large, contiguous populations of wild cats are important indicators of intact functioning ecosystems, and that th...

Disrupting common parasites' ability to 'talk' to each other reduces infection

... Infection with T. gondii, or toxoplasmosis, is perhaps most familiar to the general public from the recommendation that pregnant women avoid changing cat litter. Cats are commonly infected with the parasite, as are some livestock and wildlife. Humans can also become infected by eating undercooked meat ...

Cat fleas' journey into the vacuum is a 'one-way trip'

...hio State University insect specialist, repeated the experiments several times to be sure the findings were correct. The studies were conducted on the cat flea, or Ctenocephalides felis, the most common type of flea plaguing companion animals and humans. The lead researcher also examined vacuum bags ...

Choosing dry or wet food for cats makes little difference

...rying to prevent diabetes in cats. Because dry cat food contains more starch and more carbohydrates than canned cat food, some have argued that a diet containing large amounts of carbohydrates is unnatural for a cat that is anatomically and physiologically designed ...

New X-ray technique targets terrorists and tumors

...bilities across a wide range of disciplines including medicine, security scanning and aerospace engineering. Current imaging systems such as spiral cat scanners do not use all the information contained in the X-ray beam. We use all the wavelengths present to give a colour X-ray image. This extra infor...

New population of Iberian lynx raises hope, says World Wildlife Fund

...tion of Iberian lynx, triggering hope for one of the worlds most endangered cat species, said World Wildlife Fund today. We are excited and amazed by th... discovery reinvigorates action in Spain to save the worlds most endangered cat species. If Europe cannot take responsibility for Europes tiger, then shame...

Critically endangered Amur leopard captured

... to conserve this population. There are estimated to be between 24 and 32 Amur leopards living in the wild, making this population the rarest big cat on the planet. The animals are found in a corner of the Russian Far East on the Chinese border, in an area where their range is restricted by human a...

Feline virus, antiviral drug studied to understand drug resistance

... both AZT and methamphetamine, he said. Mathes said that the first year of the project is focused on continued in vitro studies using both FIV and cat cell lines as well as parallel experiments with HIV in human cell lines. If the results are promising, the researchers will test the drugs' intera...

Tracking feline memories on the move

... When a cat steps over an obstacle with its front legs, how do its hind legs know what to do" A new study in the August 21st issue of Current Biology, a publicati...

New bacterium discovered -- related to cause of trench fever

...rium identified about 10 years ago as the cause of cat scratch disease: Bartonella henselae, which infect...ered that the Bartonella henselae bacterium causes cat scratch disease, an infection that causes swollen lymph nodes and fever after a cat scratches its owner or an unlucky visitor. They w...

Toxoplasmosis infection trick revealed by scientists

... Toxoplasmosis is a parasitic disease, primarily carried by cats. It is transmitted to humans by eating undercooked meat or through contact with cat faeces. It is particularly dangerous for pregnant women, whose foetuses can be infected via the placenta, and those with a weakened immune system, suc...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...er 20 specialized structures that may have enhanced the hearing of various fish species during their evolution (2aAB1), and the notable features of 36 cat species' middle ears, which may provide clues on the evolutionary pressures on them (2aAB4). LISTENING TO MUSCLE NOISE Muscles make noise. ...

New species declared: Clouded leopard on Borneo and Sumatra

... U.S. National Cancer Institute shows that the difference between the two clouded leopard species is comparable to the differences between other large cat species like lions, tigers, and jaguars. Scientists believe the new species of clouded leopard diverged from the mainland population some 1.4 million...

Lost dogs found more often than lost cats, study suggests

...ermanent identification about where a pet belongs. cat owners aren't required to identify their pet, and ... call and visit a shelter," said Lord, adding that cat owners waited about three days before contacting a...n their own. "Many people think that a missing cat just comes home on its own," Lord said. "Most of t...
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