View Full Version : Mexican Lake Bears Witness To Ancient Impact

2012-Mar-06, 05:20 PM
Exotic sediments found beneath the floor of Lake Cuitzeo in central Mexico support theories of a major cosmic impact event 12,900 years ago, report a 16-member international research team. The impact may have caused widespread environmental changes and contributed to the extinctions of many large animal species. (...)Read the rest of Mexican Lake Bears Witness [...]

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2012-Mar-06, 11:40 PM
Mexican Lake Bears? are they a newly discovered species?