Truth, beauty, and goodness are abstract concepts that correspond to our deepest desires. They are not likely to have evolved by a neo-Darwinian process.
Living things are on the move everywhere. Why do some of them go to great lengths to migrate, while others stay put?
Another study of bird migration using geolocators finds fascinating new facts about social interactions during long-distance flights.
Think about how this kind of reasoning relates to the intelligent design and evolution debate.
Biologists often claim that coevolutionary interactions, as with bees and flowers, can alter the fitness landscape to drive evolutionary changes.