Do parrots really understand what they're saying? According to one scientist, an extraordinary parrot named Griffin can.
Meet Rio, a California sea lion who can read sign language and solve IQ test problems that even humans struggle with.
Ayumu the chimpanzee could very well have the world's strongest memory, better than even the smartest human's.
Scamp, a miniature schnauzer, can predict when somebody is about to die. Can science shed light on this mystery?
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