|
Biological clocks
|
Sarah Regal Riedman |
Describes the inbuilt mechanism that regulates the rhythms of life in all living things and discusses how these rhythms are set and what happens when they become distorted. |
OL1593404W |
|
Focus on sharks
|
Sarah Regal Riedman |
Describes what research is revealing about the behavior of one of the most dangerous yet fascinating of sea animals. |
OL1593407W |
|
Gardening without soil
|
Sarah Regal Riedman |
An introduction to hydroponics, what it is, how it is done, why it is useful, and its potential for future use, with directions for setting up your own project. |
OL1593408W |
|
Hormones: how they work
|
Sarah Regal Riedman |
Discusses the various hormones in plants and animals and modern research concerning them, with emphasis on the hormones in the human body, their production, and importance to physical development and… |
OL1593411W |
|
Odd habitats of land animals
|
Sarah Regal Riedman |
Explores the wide variety of habitats, such as caves, belfries, burrows, and treetops that are the homes of bats, prairie dogs, tree frogs, and other land animals. |
OL1593417W |
|
Spiders
|
Sarah Regal Riedman |
Describes the physical characteristics, habits, and natural environment of various types of spiders. |
OL1593421W |