The possibility that alien life exists in the universe is among the most profound of human conjectures, which today is being investigated not just by science-fiction writers but by scientists.
Presents many years of research by hundreds of scientists that reveals how wild animals, as well as pets, have inner, secret lives. This title shows how animal 'friends' stay in touch, how they warn and help each other in times of danger, and how some animals problem-solve as or in some instances even more effectively than humans.