A finger-length fish has reignited a long-running debate about self-awareness, cognition and how much we’ve underestimated animal minds.
Millions of animals each year are killed in U.S. laboratories as part of medical training and chemical, food, drug and cosmetic testing, according to the non-profit animal rights organization People ...
Awareness, especially self-awareness, is very difficult to study.  Self-awareness evolved among our animal ancestors and is ...