There are hundreds of chemical formulas — or pyrotechnic recipes — for fireworks. These are still based off an ancient ...

People use ear seeds to stimulate pressure points in the ear. They’re a type of auriculotherapy, which is acupressure or acupuncture focused on the ear. Some people claim they have health ...

Another is how much of the chemical gets to its target and over what period of time, or its pharmacokinetics. When little to no experimental data is available about a chemical, researchers often ...

Photosynthesis -- mainly carried out by plants -- is based on a remarkably efficient energy conversion process. To generate chemical energy, sunlight must first be captured and transported further ...