Latest Rat Stories
Research last year uncovered possible evidence that resveratrol found in red wine may help in preventing cognitive decline. Now, a new study is looking at another type of alcohol that may also ward off dementia and Alzheimer’s disease.
In spring, when daylight is present for longer periods, rats exhibit an increased level of anxiety and depression, a phenomenon researchers now say occurs as a result of how the rat’s brain cells adopt a new chemical code when drastic changes occur in the day and night cycles.
Scientists studying rats' ability to navigate familiar territory found that remembered spatial information is used by one particular brain structure to imagine routes that the rats then follow much like a GPS system.
If you’ve ever had a hard time getting motivated to go to the gym or get off the couch and head outside for a jog, it may just be your genes.
Sight is such a spontaneous activity that we are unaware of the complexity of the brain mechanisms it implies.
A new study reveals that rats sniff as a means of communicating complex information about social hierarchies.
A Duke neurobiologist has created an "organic computer," using a brain-to-brain interface to allow rats to share thoughts electronically.
Researchers from Indiana University have found that rats have a capacity for “source memory,” a finding that could have implications for both future animal studies and the treatment of human memory disorders.
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...
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...
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...
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...
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...
- A handkerchief.
- In general, any miraculous portrait of Christ.
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