A satellite is an object in space that orbits or circles around a bigger object. There are two kinds of satellites: natural (such as the moon orbiting the Earth) or artificial (such as the International Space Station orbiting the Earth).
Natural chemical 'beats morphine'. The natural chemical was able to relieve pain like morphine. The human body produces a natural painkiller several times more potent than morphine, research suggests. When given to rats, the chemical, called opiorphin, was able to curb pain at much lower concentration than the powerful painkiller morphine. The French team said their findings could be lead to new pain treatments.
A man who has a heart attack while shoveling snow dies a natural death, but if the heart attack happens during a fistfight, his death is usually a homicide. Death from an allergic reaction to a bee sting can be called natural or accidental. While acute alcohol intoxication from a night of binge drinking is always classified as an accident or suicide, the death of a lifelong alcoholic from cirrhosis of the liver is usually classified as natural.