How long would it take for every living thing on Earth to die?

Published On: Feb 12 2014 08:01:03 PM EST   Updated On: Feb 12 2014 05:06:26 PM EST

At least one mass extinction may have only taken 60,000 years.


The views expressed are not those of, WKMG or its affiliated companies. This is a community moderated forum (Please note the 'Flag' button). By posting your comments you agree to accept our Terms Of service
blog comments powered by Disqus