Preserving DNA in biological samples has long posed a challenge for researchers, but the process may be about to get a lot ...

Calcium disodium EDTA is a chemical compound that can trap and remove heavy metals, both from your body and from things like food, paper, shampoo and cosmetics. "It's a particularly versatile compound ...

Some of Chick-fil-A’s dipping sauces contain a small amount of calcium disodium ethylene-diaminetetraacetate, or EDTA, a common food additive that helps preserve flavor, color and texture. The U.S.