Hard, dense bone tissue that is beneath the outer membrane of bone <span />
I think the planet, Uranus was formed from the light gases of the outer solar nebula
Binge eating disorder
This is a life threatening but treatable eating disorder described by recurrent episodes of eating large amount of food usually eaten at short period of time. There is a feeling of loss of control during binge eating but also experience shame, distress, guild afterwards. Person with this type of disorder usually prefers to eat alone even when they are not hungry. This is also one of the most common type of eating disorder.