Unhealthy Glow: Fluorescent Tadpoles Expose Chemical Contamination

In cartoons glowing goo signals that there is bad stuff in the water. Now life imitates art: A French biotechnology company has created a transgenic tadpole that fluoresces when it encounters chemical contaminants in water that disrupt thyroid functioning. The test promises to shine a light on a class of endocrine-disrupting pollutants, which pollution regulators have in their crosshairs. [More]