(CNN) -- Some unusual creatures have an innate ability to regrow a limb: salamanders, starfish, crabs, lizards and newts. Such extraordinary powers elude most animals, including humans, although ...

Some unusual creatures have an innate ability to regrow a limb: salamanders, starfish, crabs, lizards and newts. Such extraordinary powers elude most animals, including humans, although scientists ...

This image shows Xenopus laevis swimming in a tank pre-amputation. [Celia Herrera-Rincon/Tufts University] Scientists at Tufts University have developed a wearable bioreactor that can promote partial ...

The African clawed frog, Xenopus laevis, has been used as a laboratory animal for decades in many research areas. However, there is a lack of knowledge about the nutritional physiology of this ...