This article explores the different types of dimples and debunks myths surrounding their origin. Dimples are caused by a variation in the zygomaticus major muscle, which controls facial expression.

Researchers taught rats to drive tiny "ratmobiles" in exchange for food, which helped the rats relax.

Rats aren't just unsightly, they could also carry diseases. "Different types of rats could carry plague, typhus, norovirus. They can get Salmonella. So there's a lot of different things.

DR Jan Zalasiewicz, of Leicester University, reckons that in millions of years rats will be around when many larger species have died, and they will grow to take the place of their bigger rivals.

“We need different types of rat control with different chemicals that are less toxic.’’ ...

A coyote found dead in a San Francisco park back in February tested positive for four different types of rat poisoning, according to the California Department of Fish & Wildlife.

There are 32 different types of RATs currently approved in Australia that are safe to use The administration has already approved 32 different types of rapid antigen tests for use in Australia.