This book is an introduction to cloning, examining the debate over cloning and discussing the potential future uses and effects based on ongoing research.

Discusses predicting eruptions, volcanologists on the edge, history of volcano monitoring, looking to the future, and becoming a volcanologist.

Examines the causes of infertility, the history of in vitro fertilization, the steps involved in creating a "test tube baby," and ethical questions the technology has raised.

From the tanks, bombers, and rockets of World War II to the laser-guided missiles of today, modern armies depend on technology for success. This book looks at the impact of technology on the way wars are fought.

Discusses the science of speleology and what scientists have learned about caves, how they are formed, and what lives in them.