Useful information

Useful information · 31. August 2018
There's mercury on my plate! Not a nice idea, but reality: In fact, most foods contain a percentage of the toxic heavy metal. One must be careful when considering certain foods.
Useful information · 06. Juli 2018
Day in and day out, the power plant puffs. What actually comes out of there?

Useful information · 06. Juli 2018
People have called it black gold, but according to chemistry, this is a misnomer. Gold in not found in coal.