Focusing on the most recent scientific developments, this book contains topics arranged in five main categories. 1) The Earth: creation and extinction of life. 2) Living Creatures: natural selection and adaptation. 3) Human Beings: the battle against disease. 4) The Environment: its vulnerability. 5) Toward the Future. All are written in clear, easy-to-understand English.

This book contains topics arranged in five main categories. 1) The Earth: creation and extinction of life. 2) Living Creatures: natural selection and adaptation. 3) Human Beings: the battle against disease. 4) The Environment: its vulnerability. 5) Toward the Future. All are written in clear, easy-to-understand English.

Key Features
◆Reading writing and listening exercises will help develop communication skills in English.
◆Lists of vocabulary, idioms and words in context provided at end of book.
◆Teacher's Manual contains supplementary exercises for each unit.

Contents