News tagged with rats

Related topics: brain · memory · neurons · hippocampus

Umbilical cells help eye's neurons connect

Cells isolated from human umbilical cord tissue have been shown to produce molecules that help retinal neurons from the eyes of rats grow, connect and survive, according to Duke University researchers working with Janssen ...

Nov 24, 2015
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Sniff and track or run and scan?

It's dinnertime, and the smell of delicious food makes your tummy rumble. However, it's dark because of a powercut and you can't see very clearly. Should you try to 'follow your nose' to locate food? Or should you simply ...

Nov 24, 2015
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Obesity and type 2 diabetes harm bone health

Obesity and Type 2 diabetes have been linked to several health issues, including an increased risk of bone fractures. In a new animal study, University of Missouri researchers examined how the development of obesity and insulin ...

Nov 17, 2015
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50 species

Stenomys Thomas, 1910

Rats are various medium-sized, long-tailed rodents of the superfamily Muroidea. "True rats" are members of the genus Rattus, the most important of which to humans are the black rat, Rattus rattus, and the brown rat, Rattus norvegicus. Many members of other rodent genera and families are also called rats and share many characteristics with true rats.

Rats are typically distinguished from mice by their size; rats are generally large muroid rodents, while mice are generally small muroid rodents. The muroid family is very large and complex, and the common terms rat and mouse are not taxonomically specific. Generally, when someone discovers a large muroid, its common name includes the term rat, while if it is small, the name includes the term mouse - scientifically, the terms are not confined to members of the Rattus and Mus genera. Compare the taxonomic classification of the Pack rat and Cotton mouse.

This text uses material from Wikipedia, licensed under CC BY-SA

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