Song Audio. Numb is track #6 on the album Nick Jonas. It was written by Posner, Mike / Jonas, Nick / Musto, Matt / Monson, Nick / Wilson, Raykeea. Numb is track #6 on the album Nick Jonas. It was written by Posner, Mike / Jonas, Nick / Musto, Matt / Monson, Nick / Wilson, Raykeea.
Genetics at Work Image Gallery. Redhead extinction is the idea that the recessive gene that causes red hair will eventually die out. Read about the theories behind redhead extinction.See more pictures of genetics at work.n fact, the National Geographic story provided some data about red hair in the world population, but it only said that news reports have claimed that redheads were going extinct [source: National Geographic ].
Hair loss occurs when this cycle of hair growth and shedding is disrupted or when the hair follicle is destroyed and replaced with scar tissue. The exact cause of hair loss may not be fully understood, but it's usually related to one or more of the following factors: Family history (heredity) Hormonal changes.