[extropy-chat] Supernova close to Earth

[Patrick Wilken]

According to this report a supernova occurred 100-200 light years 
distant about 2.8 million years ago:

http://www.nature.com/news/2004/041101/full/041101-5.html

Authors make the grandiose statement that their supernova may have been 
directly responsible for the emergence of Homo sapiens as a dominant 
species due to resultant changes in climate.

best, patrick