While chemistry has been a great benefit to us, sometimes its applications have caused harm. The widespread use of chemical pesticides and fertilizers is an example. One step towards the solution is growing more organic food.
If your father is a diplomat you might have noticed him scribbling on a note with a pen that didn't seem to have any ink in it. Though invisible ink is something you read in stories it really does exist. Here's how it works.
Every year, our country adds more and more factories, which produce a wide variety of things. Along with such growth however, comes the challenge of ensuring the safety of workers and consumers. Chemical sensors are important tools in ensuring safety.
Deoxyribonucleic acid (DNA), is sometimes called the most important chemical on earth, because it makes up our genes. But did you know the tale of its discovery was a long journey, involving many scientists?