The Second Cooing: Raising Passenger Pigeons from the Dead
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 …
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 …
Ethical worries have slowed medical research into applications for stem cells. But scientists like Robert Lanza have developed less controversial ways to derive stem cells …