Seriously, this is both fascinating and what horror movies are made out of at the same time:
www.livescience.com
Orcas have sunk 3 boats in Europe and appear to be teaching others to do the same. But why?
Scientists think a traumatized orca initiated the assault on boats after a "critical moment of agony" and that the behavior is spreading among the population through social learning.
www.livescience.com
