A new friend, a new perspective, and a new light are all found in Katherine Applegate's The One and Only Ivan. Ivan, a gorilla, was content with his life until a baby elephant befriended him. Readers find synonyms, answer...

Learn about our similarity to apes, and how they solve their problems so peacefully at times but humans, the more "advanced" species, can behave so primitively. [7:02]

Read the information about Nim, a male chimpanzee who lived in a human environment, was taught American sign language. Then complete the 5-question quiz concerning Do Primates Speak Language?