The secret clocks time senses of living things /

Explains the occurrence of biological clocks, which, for example, tell birds when and where to migrate, plants when to unfurl their leaves, and which affect human beings in various physical and emotional ways.

Bibliographic Details

Main Author:	Simon, Seymour
Other Authors:	Brett, Jan, 1949-
Format:	Book
Language:	English
Published:	New York : Viking Press, 1979.
Edition:	1st ed.
Subjects:	Biological rhythms > Juvenile literature. Biological rhythms.