The studies looking at animal behavior and problem solving skills are endlessly fascinating, but the true challenge is understanding what exactly it is we are studying without tripping over our own biases. This is something we explored in our last podcast and YouTube, famously referring to the myth that apes understand sign language and Alex the African Grey Parrot was capable of language as well. The string pulling experiment is one that many researchers thought reflected causal reasoning, the

Just like us, animals can showcase remarkable problem-solving skills, emotional intelligence and even self-awareness. Here we look at some of the smartest species in the animal kingdom. | Howstuffworks