At a distance the small black beasts were indistinguishable from rats.

Bodies were all around, but they were safe from rats.

They seemed to have been bred from men and rats.

The greatest problem with seeds was to keep them dry and free from rats.

It is not known whether the extrapolation from rats to humans can be made.

He comes to be fascinated by light and goodness, despite objections from fellow rats.

That published comparison was made based on data from rats.

Sometimes they took fire from rats hiding in the remaining gear.

The scientists studied tissue from rats that spent 7, 12 or 14 days in space.

But how much can you really learn from rats or fruit flies, for God's sake.