There’s a saying that in a big city you are never more than six feet away from a rat. It’s an urban myth but scientists are ...

More rats: that’s the latest indignity that climate change is dumping on major cities around the world, including in Canada’s ...

He and his team decided to change that. They requested rat stats from the 200 biggest US cities by population, but found only 13 had the quality long-term data they needed. To give more ...