The opposite of altruism, spite might well have an evolutionary purpose
The Tufts video series Ever Wonder features faculty and other experts answering questions for the curious about all manner of topics—from why we have cravings to why the oceans are salty.
You can view the entire series at http://everwonder.tufts.edu.
Steffan Hacker can be reached at steffan.hacker@tufts.edu.
