IT would be no exaggeration to say that holes could be picked in any theory of heredity as yet put forward. The problem is one of great difficulty and complexity, and when we think of the enormous ...

In the years of the post-Darwinian debate, many American naturalists invoked the name of Lamarck to signal their belief in a purposive and anti-Darwinian view of evolution. Yet Weismann's theory of ...

When scientists today work to decode the human genome, they use high-tech methods to view the microscopic chromosomes and even pluck individual genes out of a cell. But in Darwin's time, it was ...

Thirty years after Pixar launched a revolution when it introduced the world's first fully computer animated feature, "Toy Story," its anniversary will be marked amid another sea change at this year's ...