The European climate service Copernicus says the world warmed to yet another monthly heat record in January, despite an abnormally chilly United States, a cooling La Nina and predictions of a slightly ...

A new study finds that rat infestation in many of the world’s cities appears to be soaring, especially in Washington ...

And that comes down to sex and food, said study lead author Jonathan Richardson ... even with rats,” University of Michigan conservation scientist Neil Carter said. “Zero rats is impossible ...

And that comes down to sex and food, said study lead author Jonathan Richardson ... even with rats,‘’ University of Michigan conservation scientist Neil Carter said.