Blood sampling in rodents is common practice in scientific studies. Some of the refined methods widely used are the puncture of the saphenous vein or tail vein, or even tail docking. The handling ...

Mice are the most commonly used laboratory animal, yet there are limited studies which investigate the effects of repeated handling on their welfare and scientific outcomes. Furthermore, simple ...

In a study straight out of science fiction, scientists have increased the lifespans of old mice by 10 percent by fusing them and their bloodstreams with younger animals. For the first time, the team ...

When cells are exposed to stress and damage, cellular senescence occurs. This phenomenon increases with aging. Senescent cells (SnCs) attain permanent growth arrest and exhibit senescence-associated ...

Infusions of youthful blood led older mice to live 6 to 9 percent longer, a new study found. By Carl Zimmer A team of scientists has extended the lives of old mice by connecting their blood vessels to ...