Alexandra Siy

In CARS ON MARS readers can follow the course of NASA's Mars Exploration Rover (MER) mission as twin rovers Spirit and Opportunity explore the Red Planet. Learn how scientists determined that there was once water on Mars and how the Earthbound NASA team resolved problems with the rovers from afar in order to prolong the mission, which continues today. The author provides insight into scientists' quest to discover whether life may have or still might...

A game of hide-and-seek forms the backdrop of a mosquito's life cycle. Micrographs show details of the mosquito and what she sees as she searches.

Debunking myths about spiders, this book takes an extremely close look at these intriguing creatures that have both fascinated and terrified humans.

A brief history and discussion of the planets and outer space objects encountered by spacecraft Voyager.

Explains the causes of sneezing.

Describes the culture and plight of the Waorani, an indigenous tribe of the Ecuadoran rain forest whose environment and way of life are threatened by the encroachment of the industrial world.