Add Yahoo as a preferred source to see more of our stories on Google. Throughout the public consciousness, the mouse is still an icon of the power of science. On the 20th anniversary of this ...

Ear tagging is perceived as less painful or stressful than tattooing and therefore is generally considered less harmful or costly to welfare. However, ear tags are more difficult to read than tattoos ...

You may have seen it in a textbook or on TV: a mouse with a human ear on its back. You might have thought that the mouse was genetically engineered, or deformed, or the result of mad scientists ...