Scientists have for the first time measured how fast large-scale evolution can occur in mammals, showing it takes 24 million generations for a mouse-sized animal to evolve to the size of an elephant.

The sperm of the Asian elephant has the shortest sperm relative to its body size, whereas the house mouse (Mus musculus) has the longest. Humans and elephants have sperm of roughly the same length, ...

In 1966, Congressman William Widnall quipped: “An elephant is a mouse built to government specifications.” A stunning example is Gov. Andy Beshear’s recently announced efforts to address the rental ...

Young Mouse, sure he is the strongest animal on the African savannah, goes in search of the elephant, to "break it apart and stomp it to bits." https://siris ...