ace the coding interview with Python and JavaScript

Presents the history of exploration above and below the sea, the equipment used, and future possibilities for habitats under the sea.

Presents general information about paleontologists, what they learn about prehistoric animals and vegetation by studying them.

Before a doctor can treat a patient, she needs to know what is causing the problem. However, it is not always easy to tell what kind of sickness is affecting someone. Readers will find out how animals can be put to work diagnosing some of the trickiest diseases, from dogs who sniff out cancer to mice who can detect bird flu. They will also learn how scientists are working to reproduce these animals abilities with advanced electronic devices.

Explains what ecology is, shows how living things are classified, and looks at the environments in which they live.

Explains what geology is, shows how the Earth itself and rocks change, and looks at how geologists study the polar regions and outer space.

Introduces the main kinds of insects, and explains how they are born, grow, move, eat, protect themselves, and reproduce, where they live, and their effects on human life.

Introduces the main kinds of birds, and explains how they are born, grow, move, eat, protect themselves, and reproduce, where they live, and how humans use birds.

Explains the history and details about the American flag.

"Describes the physical features of an ocean, its community of plants and animals, and environmental threats."

"Describes some of the main deserts around the world, how deserts are formed, and some of the plants and animals found in these dry areas."

"Describes the physical features of a coral reef, its community of plants and animals, and environmental threats."

"Briefly describes the climate, land formations, plant life, and animals of the frozen arctic land called tundra."

"Describes different types of grasslands, their plant and animal life, and environmental threats."

Introduces the main kinds of mammals, and explains how they are born, grow, move, protect themselves, and reproduce, where they live, and how other mammals interact with humans.

Readers will learn about electricity while performing the short experiments in this book.

Describes the information that the placement and features of dinosaur footprints reveal about the dinosaurs that made them.