Toxicological Trivia from January 19, 2012: University of Erlangen developed an interior paint that purifies the air and neutralize pollutants. The painting that scientists have developed the inner German university transform real contaminated lungs. And the bowl cleaner is not only for the interiors also works outdoors and may be used in:a) Tunnels;b) Heavily traveled street facades;c) Both previous assertions are correct.

Correct answer c. Extended with the Spanish news: with titanium dioxide