UM-Bot Posted October 5, 2005 #1 Share Posted October 5, 2005 Geologists have produced evidence of abundant marine life on the earth from a period when others say a thick layer of ice gripped the entire planet. The find lends considerable support to one side of a scientific controversy that has been widely debated for decades. The hullabaloo is over a glacial period dating to about 750 million to 600 million years ago. Experts agree about the presence of ice on the planet then--even at the equator--but how much and to what extent is still up in the air. View: Full Article | Source: Scientific American Link to comment Share on other sites More sharing options...
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