In separate studies, Derek Neal and William Johnson in 1996 and June O'Neill in 1990 found that most of the wage gap between black and
white adults disappears once the data are adjusted to reflect their scores on the Armed Forces Qualifying Test; in other words, those adults with similar scores earned similar wages.
There are two types of fat in humans:
white adipose tissue, which makes up nearly all the fat in
adults, and brown adipose tissue, which is found in babies but
disappears as they age.