The world has been without passenger pigeons since 1914. Now, scientists
want to bring them back. Geneticist Ben Novak has embarked on the
project and has begun collecting passenger pigeon DNA from natural
history museums. His “de-extinction” efforts are not without critics.
By Philip Bethge
See the article at: http://www.spiegel.de/international/zeitgeist/0,1518,893744,00.html