The most beautiful thing about professional wrestling as an art form is that it is always evolving. Moves that modern fans ...

An example of a non-biodegradable, or persistent, pollutant is the insecticide DDT which was used in the 1940s to kill mosquitoes. It accumulates in body tissues because it is not very soluble in ...

Endangered wildlife are the proverbial canary in the coal mine and can show the early signs of pesticide contamination in our environment. For example, before anyone knew how poisonous DDT was to ...

The federal government banned the use of DDT in the early 1970's, but more than 50 years later, researchers are still finding ...