![The History of the Lab Rat Is Full of Scientific Triumphs and Ethical Quandaries | Science | Smithsonian Magazine The History of the Lab Rat Is Full of Scientific Triumphs and Ethical Quandaries | Science | Smithsonian Magazine](https://th-thumbnailer.cdn-si-edu.com/cgPXY-jyUPM0D-q_uE-3W5WMHcI=/1072x720/filters:no_upscale():focal(1219x1390:1220x1391)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/38/f3/38f322af-0e62-489f-902f-6f50c43fc3ec/istock-1019889322.jpg)
The History of the Lab Rat Is Full of Scientific Triumphs and Ethical Quandaries | Science | Smithsonian Magazine
![HELP! My rat's right back leg doesn't move anymore, everything was fine yesterday. He's (supposedly) ~11 months old, what should I do? Please, help Gavroche! : r/RATS HELP! My rat's right back leg doesn't move anymore, everything was fine yesterday. He's (supposedly) ~11 months old, what should I do? Please, help Gavroche! : r/RATS](https://preview.redd.it/meea6yhbdn981.jpg?width=640&crop=smart&auto=webp&s=108ff860ad2ccf6743b035cc31e377850ce98c5a)
HELP! My rat's right back leg doesn't move anymore, everything was fine yesterday. He's (supposedly) ~11 months old, what should I do? Please, help Gavroche! : r/RATS
![Is this normal for old rats? Annette is 3 yrs. She moves a lot and gets out a lot but she just doesn't use her back legs, she also doesn't really seem Is this normal for old rats? Annette is 3 yrs. She moves a lot and gets out a lot but she just doesn't use her back legs, she also doesn't really seem](https://external-preview.redd.it/1EwBfQnMs6hRPX9ECx3KtW6uZCrxxZqPS2kbs-P2Vqc.png?width=640&crop=smart&format=pjpg&auto=webp&s=6dc131c2d1eb93955994cf391bd456cf786df9bf)
Is this normal for old rats? Annette is 3 yrs. She moves a lot and gets out a lot but she just doesn't use her back legs, she also doesn't really seem
![The Natural History of Model Organisms: The Norway rat, from an obnoxious pest to a laboratory pet | eLife The Natural History of Model Organisms: The Norway rat, from an obnoxious pest to a laboratory pet | eLife](https://iiif.elifesciences.org/journal-cms/article%2F2020-07%2F14-norway-rat-illo.jpg/full/full/0/default.jpg)