When they get hot enough, these chemicals glow a particular color like red, green, purple, or blue. Here, there is a regular candle in the middle and special color-flame candles on either side.

Since then, similar chemicals have replaced it ... "We did not test other colors of plastic besides black plastic. Toxic flame retardants are intentionally added to the black plastic enclosures ...

The so-called safe level of flame retardants, they argue, is based on old science that doesn’t account for how different chemicals can accumulate in the body. The problem is not whether a single ...