Virus. When you hear the word, you probably shudder. But not all viruses are bad or cause disease. Some are even used for ...
The African clawed frog (Xenopus laevis) has become a well-understood and versatile vertebrate model organism for studies in developmental biology and other disciplines due to the availability of ...
African clawed frogs used to be the best human pregnancy tests in the world. Doctors would inject a woman's urine into the back of a female frog; if positive, the frog would lay eggs. Frog or ...