Identification of ugly ducklings showed good sensitivity (0.87) and specificity (0.83) and diagnostic accuracy (0.87) for the detection of melanoma, even among nonclinicians.

The Ugly Duckling's Happily Ever After. Hans Christian Andersen's Wish For Lasting Fame Came True. By David Montgomery. April 1, 2005 at 7:00 p.m. EST. Share. Add to your saved stories.

If the universe were a fairy tale, the celestial objects called brown dwarfs would be the ugly ducklings. Small and dim as they are, brown dwarfs are informally known as “failed stars.” ...

The Ugly Duckling is an 1844 fairy tale by Hans Christian Andersen about a young bird that suffers abuse until he grows into a beautiful swan. ...