Is there a way to force mice to evolve to become smaller?

If you intend to make mice all around the world smaller, that's more tricky. In order for natural selection to drive the size of mice down, mice would need to have a significant advantage that goes along with smaller size. read more

Surely smaller islands could also allow new species to diversify, he thought. So he and his colleagues searched for just such a place. They settled on Mindoro, the seventh-largest island in the Philippines. In 2013, they started an inventory of all the mammals there, including rats, mice, and the dwarf water buffalo. read more