Taylor, Ron

Discusses the adverse effects of pesticides and fertilizers on agricultural produce and what can be done to make foods safer.

Discusses the adverse effects of pesticides and fertilizers on agricultural produce and what can be done to make foods safer.

A brief look at the evolution of animal life, who ruled the earth for 160 million years.

Answers such questions about animals as "Why do woodpeckers peck?", "What can eat a hedgehog?", and "How dangerous is a gorilla?".

Answers such questions about animals as "Why do woodpeckers peck?", "What can eat a hedgehog?", and "How dangerous is a gorilla?".

A brief look at the evolution of animal life, who ruled the earth for 160 million years.