In Sweden, researchers are tapping into the extraordinary intelligence of crows to tackle a real urban problem—cigarette litter. Specially designed machines reward crows with food when they drop cigarette butts into a collection slot, effectively turning the birds into voluntary cleanup partners. Crows are among the most intelligent animals on Earth, capable of problem-solving, tool use, and learning complex reward-based tasks. By using positive reinforcement, scientists have shown that these bi

264K views · 249 shares | Jane Goodall made a groundbreaking discovery when she first observed chimpanzees using tools. Watch these chimps go fishing for termites! | Animal Planet | Facebook

The One Tool You'll Use Again and Again | Transformazing