Neptune's blue color is the result of a gas called methane in its atmosphere. Like the other gas planets, Neptune has rapid winds trapped in bands of latitude and large storms. Neptune's winds are the fastest in the solar system, reaching 2000 km /hour!
Traction Alopecia. Traction Alopecia is another common cause of thinning or shedding hair among teenagers, and it occurs when an unnatural amount of tension is applied to the hair for a prolonged period of time. The good news: Traction Alopecia is one of the few causes of hair loss in teens that is behavioral.
1 As women age and hormones change there can be a surge of the hormone dihydrotestosterone (DHT), which can cause hair on the head to thin, while hair to sprout on the chin and face.  Hereditary hair loss. According to the ADD, 80 million men and women experience alopecia, or common hereditary hair loss.