Can lost species ever become un-extinct? In the 1993 science fiction film "Jurassic Park," dinosaurs are cloned back to life after their DNA is discovered still intact within the bellies of ancient mosquitoes that were preserved in amber. While the science of cloning is still in its infancy, many scientists now believe it's only a matter of time before many extinct animals again walk the Earth.
The importance of frogs in the food chain and their surprising role in human medicine is one reason why scientists are hurrying to rescue them from a deadly fungus, and preserve them in "amphibian arks".
THE problem with understanding human uniqueness is precisely that it is unique. Though the proper study of mankind may be man, that study will yield little if there is no reference point to compare man with.