The environment is now thoroughly polluted by man made sources
of electromagnetic radiation with frequencies and magnitudes never before present. Man''s activities have probably changed the earth''s electromagnetic background to a greater degree than they have changed any other ...
Work as fundamental to life, explored at different levels of
organization, from the perspectives of research conducted in biology and other disciplines.Book Format: Hardcover. Minimum Age: 22. Number of Pages: 0249. Publisher: MIT Press (MA)