Look at this sweet tiny mouse, busy at work. That pebble is literally the size of its head, and it’s carrying it in its powerful little maw.

But there was counterevidence, too. The sperm from some mouse species don’t aggregate. In fact, sperm aggregation is rare. Evolutionary biologist Renée Firman of the University of Western Australia, ...

Look at this sweet tiny mouse, busy at work. That pebble is literally the size of its head, and it’s carrying it in its powerful little maw.

In Geelong, a city near Melbourne, Australia, crowds are gathering to ... Visitors have likened the scent to that of a deceased mouse or stagnant pond, as noted on the city website.