At the University of California, Professor Charles Bernard Lipman, plant physiologist, took a chunk of pre-Cambrian rock. The piece came from Canada. Geologists considered it 100 to 200 million years old. Professor Lipman split the chunk and from the fractured surfaces scraped what he hoped were primeval microbes.
Hastily he planted the scrapings in test tubes with germ culture mediums. He sealed the tubes so that no modern air could affect the scrapings. If he did have pre-Cambrian life in his tubes modern air would spoil his research, for the earth's present...
To continue reading:
or
Log-In
