It's common to see comparisons where an animal's intelligence is measured against that of a human. To some, the nonhuman animal's own, innate intelligence and sentience is not sufficient and is considered only relevant as it compares to our own. Quite the self-preservation strategy for humans, isn't it? Would we as a species ever really allow an animal …

With George Zimmerman's upcoming trial in the shooting death of Trayvon Martin, the role that racism may have played in this incident will continue to be a heated topic of debate. And while these discussions may be uncomfortable, they should be welcomed since only by bringing prejudices to light do we have any hope of ending them.

We all have prejudices …

Excuse me for stating the obvious, but racists are dumb. That's not just my opinion. It's the conclusion of a provocative new study published in the journal Psychological Science. Gordon Hodson, a psychologist at Brock University in Ontario, and his colleagues found that children with low intelligence are more likely to grow up to be racist …

Recently, I've been thinking about how entrenched the use and abuse of animals really is. From grocery stores to clothing to the very words we speak, evidence of bias against animals is everywhere.

Speciesism is the belief that humans are superior to other animals, used as a justification for any kind of discrimination against nonhuman …