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 ].
Other possible causes of hair loss on tail may include: 1  Skin infections. 2  Hormonal dysfunction, causing sebum overproduction. 3  Cushingâs disease. 4  Skin cancer. 5  Certain drugs. 6  Poor diet. 7  Alopecia, a rare inherited disease. 8  Poor grooming habits, which may be due to obesity and the inability of the cat to clean his tail.