Personality changes for the better with age. July/August 2003, Vol 34, No. 7. Print version: page 14. While many may suspect that people's personalities are fixed in childhood, new research suggests that most people's personalities evolve throughout their lives.
Definition of cloud. 1  1 : a visible mass of particles of condensed vapor (as water or ice) suspended in the atmosphere of a planet (as the earth) or moon.
Noctilucent cloud. Night clouds or noctilucent clouds are tenuous cloud-like phenomena in the upper atmosphere. They are visible in a deep twilight. They are made of ice crystals. Noctilucent roughly means night shining in Latin. They are most commonly observed in the summer months at latitudes between 50Â° and 70Â° north and south of the equator.