Ajit Varki is Co-Director of the newly established UCSD / Salk Center for Academic Research and Training in Anthropogeny, multidisciplinary approach to understanding human origins, which involves scientists from across San Diego and all over the world. Here he explores the genetic approach to...

For thousands of years, people have pondered the mysteries of flower development and how these flowers ultimately give rise to fruit. Martin Yanofsky, professor of biology at UC San Diego, discusses recent studies that have begun to unravel these long-standing mysteries, leading to a detailed...

The living world is made up of complex biological systems. At the level of the individual, the most complex of these systems is the human brain. But the process of evolution has produced even more complex systems, such as tropical reefs and rainforests, that are made up of millions of interacting...