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2011-05-21 07:40:00

What was thought to be lost is now found again. Two volunteer naturalists visiting a nature reserve in Colombia came across the mysterious guinea pig-sized rodent species, which scientists have thought to be extinct. Lizzie Noble and Simon McKeon, volunteers with the ProAves Foundation, were just about to turn in for the night on May 4, when the nocturnal red-crested tree rat stopped by for a visit. The rodent stayed for two hours, just watching as the volunteer biologists photograph it and...

2011-05-13 10:28:28

Depression and anxiety may result from short-term digestive irritation early in life, according to a study of laboratory rats by researchers at the Stanford University School of Medicine. The findings suggest that some human psychological conditions may be the result, rather than the cause, of gastrointestinal disorders such as irritable bowel syndrome. "A lot of research has focused on understanding how the mind can influence the body," said Pankaj Pasricha, MD, professor and chief of...

2011-05-11 12:00:00

LEXINGTON, Ky., and MOUNTAIN VIEW, Calif., May 11, 2011 /PRNewswire/ -- Transposagen Biopharmaceuticals, Inc. (Transposagen) and System Biosciences (SBI), both leaders in genetic modification technology, have announced a non-exclusive marketing and distribution agreement between the two biotechnology companies involving Transposagen's piggyBac(TM) technology. The piggyBac(TM) Genetic Modification System enables researchers to: Alter the genomes of numerous animal species with a simple...

2011-04-19 09:15:00

BISMARCK, N.D., April 19, 2011 /PRNewswire/ -- Ahh--April. It's Earth Month and also National Pest Management Month, which together bring to mind mice and rats, the most destructive, annoying creatures on Planet Earth. (Logo: http://photos.prnewswire.com/prnh/20101007/CG78327LOGO) Rodents do hundreds of millions of dollars' worth of damage in the U.S. every year. They shred wire, plastic, fabric, and wood. They can infect humans and pets with 60 known diseases. One amorous mouse couple...

2011-03-24 20:43:46

New research in the FASEB Journal involving rats suggests that pregnant and breastfeeding women who indulge in high levels of fat and sugar are likely to have children who indulge in the same types of food A new research report published online in The FASEB Journal (http://www.faseb.org) suggests that pregnant mothers who eat high sugar and high fat diets have babies who are likely to become junk food junkies themselves. According to the report, which used rats, this happens because the high...

2011-03-11 14:05:25

It seems that women become addicted to cocaine more easily than men and find it harder to give up. New research published in BioMed Central's open access journal Biology of Sex Differences reinforces this position by showing that the motivation of female rats to work for cocaine is much higher than males. Researchers from the Molecular and Behavioral Neuroscience Institute, University of Michigan, found that rats bred to have an elevated stress response and increased impulsiveness are more...

2011-03-10 13:46:41

What happened to being "quiet as a mouse"? Researchers have recently shown that, rather than being the silent creatures of popular belief, mice emit ultrasonic calls in a variety of social contexts, and these calls have song-like characteristics. So if mice sing, where do they get their music? Are they born with the songs fully formed in their heads, or do they learn them from their peers? This question is of great interest to scientists as, while many organisms produce genetically regulated...

2011-02-16 15:03:00

WASHINGTON, Feb. 16, 2011 /PRNewswire-USNewswire/ -- JunkScience.com responded today to the claim by the Center for Science in the Public Interest (CSPI) that the caramel coloring used in Coca-Cola, Pepsi and other foods is contaminated with cancer-causing chemicals. CSPI's claim is based on studies in which laboratory rats were given extremely high doses of 2-methylimidazole (2-MI) and 4-methylimidazole (4-MI). But such studies are entirely unreliable indicators of cancer-causing affects...

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2011-02-15 10:25:47

Green on satellite images warns of hantavirus outbreaks The risk of deadly hantavirus outbreaks in people can be predicted months ahead of time by using satellite images to monitor surges in vegetation that boost mouse populations, a University of Utah study says. The method also might forecast outbreaks of other rodent-borne illnesses worldwide. "It's a way to remotely track a disease without having to go out and trap animals all the time," says Denise Dearing, professor of biology at the...

2011-02-08 04:00:00

NEW YORK, Feb. 8, 2011 /PRNewswire/ -- PetsDating.com selects boutique public relations firm Whitegate PR as their agency of record, due to the firm's extensive experience in the pet industry. PetsDating.com is a supportive online community where both pet owners and their pets can connect with others just like them. In addition to meeting other local pets, members of the PetsDating.com community have access to important and relevant pet related information, as well as a variety of...


Latest Rat Reference Libraries

Armored Rat, Hoplomys gymnurus
2012-07-17 14:40:46

The armored rat (Hoplomys gymnurus) is the only species within the Hoplomys genus. It is native to Latin America, with a range that extends from northern Honduras into northwestern Ecuador. It prefers a habitat at altitudes of up to 2,600 feet. It resides in burrows that can be up to 6.6 feet in length, and these burrows are typically located near a water source. The armored rat bears spines across its back, resembling a porcupine, and indeed, they are more related to the porcupine than...

Jamaican Rice Rat, Oryzomys antillarum
2012-07-04 11:09:29

The Jamaican rice rat (Oryzomys antillarum) is an extinct species of rodent that was once found in Jamaica. This rat is thought to have been a divergence of O. couesi, which can be found in mainland Central America. It is thought that this rat went extinct in the late 19th century due to habitat destruction and by predation and competition from introduced species like the mongoose and the brown rat. Elliott Coues noted two specimens of Oryzomys in his 1877 monograph about North American...

Sand Rat, Psammomys obesus
2012-06-20 16:14:18

The sand rat (Psammomys obesus), also known as the fat sand rat, is found in North Africa, as well as the Middle East. Its range extended from Mauritania to the Arabian Peninsula. It prefers habitats within sandy deserts, but it can be found within saline marsh areas and areas with rocky ground. It will burrow under vegetation like saltbushes, where rats can often be found foraging. There are many medical uses for the sand rat. Because of their tendency to get diabetes mellitus when fed a...

Maned Rat, Lophiomys imhausi
2012-05-23 13:57:55

The maned rat (Lophiomys imhausi), also known as the crested rat, has a range that includes Tanzania, Sudan, South Sudan, Kenya, and Uganda. It prefers a habitat located in highland forests and woodlands in these areas, while in Somalia and Ethiopia it prefers to reside in areas nearly at sea level. These rats will nest in hollow tree trunks or rocky areas, as well as within cliff-faces. The maned rat can reach a length of up to twenty-one inches, including the tail. The soft undercoat of...

Greater Cane Rat, Thryonomys swinderianus
2012-05-16 12:22:36

The greater cane rat (Thryonomys swinderianus) is one of two species of cane rats found in Africa. They prefer to reside in reed beds or riverbanks south of the Saharan Desert. They have adapted well to urbanization and will also live on plantations. The nocturnal greater cane rat lives in small groups that are led by one alpha male and will make their burrows underground or in grasses. The diet of this cane rat consists of cane plants and grasses. When frightened, the greater cane rat will...

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Word of the Day
bellycheer
  • Good cheer; viands.
  • To revel; to feast.
The word 'bellycheer' may come from 'belle cheer', "good cheer".
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