In this short SF novel, Greg Bear uses the setting of a colonized moon decades in the future to describe two very intriguing experiments. On the one hand, we have a scientist who wants to achieve absolute zero temperature. His wife, on the other hand, purchases 410 cryogenically frozen heads of people who died in the early 21st century, eager to access the memories of these long-deceased individuals.
Alongside these two experiments, Bear describes a vivid picture of a lunar society comprised of several prominent families that govern the moon in a decentralized manner, coming together in council sessions. The moon, Earth, and Mars together form the "Triple" and maintain complex economic relationships. The story is narrated from the perspective of Mickey Sandoval, a member of the Sandoval family on the moon, and the brother of Rho, who procured the frozen heads. Mickey finds himself responsible for overseeing both experiments.
The story unfolds in a straightforward manner, and challenges quickly emerge. The Absolute Zero project shows no progress, and concerning the frozen heads, a weird, but powerful religious cult becomes involved, who intents to prevent the reading of the old memories, with their motivations unclear. Political intrigues and discussions begin, but there's also a philosophical aspect. Should we truly reveal the memories of these deceased individuals?
The book is only about 150 pages long, so it cannot go into much details, but it remains an entertaining read. Bear does a good job in creating this world, making it believable and enjoyable, but the story lacks depth. "Heads" is my second Bear novel, following the outstanding "Blood Music" and I will come back to his work.