Darwin (abridged)

The discovery of concealed remains in a mass grave in Russia forces top scientists to question everything they believed about human origins. For molecular biologist Kaye Lang and "virus hunter" Christopher Dicken, it means pursuing a mysterious flu-like disease that has been dormant for millions of years—and is now coming back to life. With the world threatened by a deadly epidemic, they must solve an elusive puzzle and find a way to prevent the next terrifying step in evolution.

Eleven years have passed since SHEVA was discovered in human DNA - a retrovirus that caused mutations in the human genome and heralded the arrival of a new wave of genetically enhanced humans. Now these changed children have reached adolescence...and face a world that is outraged about their very existence. For these special youths are also ticking time bombs that could exterminate the "old" human race...