A health network in Pennsylvania's Tioga County hopes to reduce the abuse of unused medications by making them harder to find. Nationally, young people who abuse prescription opioids usually get them from friends and relatives.
Looking for resources for your class? Where do nature's building blocks, called the elements, come from?Elements are the hidden ingredients of everything…
Fireworks have changed a great deal in the 1,000 years since they were first developed in China. The primary chemical component in nearly all fireworks is…