Rats are wired to show compassion for each other and will help out their fellow rat rather than get a treat.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/58S8kfTEyRg" height="1" width="1"/>
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Rats are wired to show compassion for each other and will help out their fellow rat rather than get a treat.<img src="http://feeds.feedburner.com/~r/DiscoveryNews-Top-Stories/~4/58S8kfTEyRg" height="1" width="1"/>