International Polar Bear Day is celebrated on February 27. The day is dedicated to learning more about polar bears and the dangers they face. The polar bear is related to the brown bear and probably evolved from brown bears which became isolated from the rest of their species. Brown bears and polar bears can mate […]
In studies at the University of Sussex in the United Kingdom, horses were able to recognize differences in human facial expressions. Using photographs depicting positive and negative human facial expressions, the 28 horses used in the Sussex study showed changes in heart rate when they were shown the photos. Increased heart rate indicated an understanding […]
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