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And for a for-agent now, but only its problem solving was believed to be unique to humans and other large-brained animals. Around 100 years ago, Wolfgang Koller demonstrated that the chimpanzees were capable of solving unfamiliar problems when they're claiming objects in novel ways. They could stack boxes to get bananas that were hanging overhead, which demonstrated the insight and spontaneous problems solving. Now scientists from multiple research facilities have discovered bumblebees as comparable to gills.