Vitamins and Minerals are both needed by humans and animals for survival, but what is the difference between a Vitamin and a Mineral? What are the different types of Vitamins? What are the different types of Minerals?
Astronomers observe the Sun, has long called attention to the loop plasma, called coronal loops, and are a manifestation of the complex structure of coronal magnetic field, much like iron filings can detect the invisible magnetic field surrounding the magnet.
Among several fictitious technologies shown on detective films, luminol is one of the few true stories. Read on to find out how this chemical with a cool name helps detectives reveal hidden blood stains.