it is also the lightest element isotopes are atoms of the same element with different numbers of neutrons in ancient times the elements referred to fire earth water and air helium is the second most common element in the universe but is very rare on the earth
Featherweight is a weight class in the combat sports of boxing, kickboxing, mixed martial arts and Greco-Roman wrestling.
The most anticipated featherweight title fight in history will go down at UFC 189 as part of International Fight Week in Las Vegas, with champion Jose Aldo putting his belt on the line against Irish superstar Conor McGregor on July 11 at the MGM Grand Garden Arena.