For eons, a one-of-a-kind population of killer whales has hunted chinook salmon along the Pacific Coast of the United States. For the last 40 years, renowned whale scientist Ken Balcomb has closely observed them.
Retrace Darwin's path to his theory of evolution by natural selection, which appeared in his masterpiece The Origin of Species, published in 1859. Encounter collector Alfred Russel Wallace's astonishing, almost identical, key insight. Detail the types of evidence, not known to Darwin, that have accumulated in the century and a half since his time, extending his ideas to a remarkable degree.
Seventy percent of infectious diseases originate from wildlife. Why are new diseases--such as bird flu and swine flu--so prevalent, and how are these exotic diseases being transmitted from animals to humans? Learn how to protect yourself from these diseases, including two you can get from your cat.