Comments about ‘USU scientists challenge 'Snowball Earth' theory’

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Published: Monday, Nov. 1 2010 6:00 p.m. MDT

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Joe Bauman
Salt Lake City, UT

The headline may be a little misleading: just through reading the story, it seems the theory that there was a Snowball Earth is not being challenged; what is challenged is the idea that Snowball Earth is what killed off a great many species. The story seems to be saying the bacteria killed other forms of life and later Snowball Earth occurred. -- Thanks, Joe

Makanda, IL

Interesting, but there is more evidence to the snowball Earth than the microbial extinction event. Changing the timing of the microbial extinction doesn't mean abandoning the theory, but rather that the story of the extinction event is more complex than previously understood.

LDS Liberal
Farmington, UT

This will be fun to read the comments.

Utah is full of those who still think the earth is only 6,000 years old....

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