The crow-intelligence demo is also a great rebuttal to those who complain that scientific experimentation is necessarily the /enemy/ of nature or of species preservation.
This video might also serve well to encourage school kids to consider science careers.
Dolphins cleaning up the oceans?
But why do we have to train them to clean garbage? Can we know if they would really want to do it? Would that define their life, their purpose of existence? Are we just aiming at a crooked adoption of "survival of the fittest (read fit == helpful for human existence)"?
Imagine what would have happened if animals were as evil as humans.